In December, average high temperatures in Washington D.C. reach the lower 50s°F (about 11-12°C). Warmer days may approach 64°F (18°C). Overnight lows typically drop to the mid-30s°F (1-3°C). This month is cool, so be ready for chilly weather when visiting.
The climate averages indicate a transition into colder weather, characterized by low humidity. Washington, DC, experiences shorter daylight hours. Residents can expect about 9 hours of sunlight daily. This seasonal shift influences outdoor activities and holiday celebrations throughout the city.
In summary, the average weather in DC in December presents chilly temperatures and potential winter conditions. Visitors and locals alike should prepare for fluctuating weather patterns during this month. Understanding these weather trends helps in planning engaging winter activities. As we look ahead, it is vital to consider how these conditions affect local events and attractions, particularly during the festive holiday season.
What Are the Average High and Low Temperatures in DC in December?
The average high temperature in Washington, D.C. in December is about 47°F (8°C), while the average low temperature is around 30°F (-1°C).
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Average High and Low Temperatures:
– Average high temperature: 47°F (8°C)
– Average low temperature: 30°F (-1°C) -
Weather Conditions:
– Possible snowfall
– Chance of rain
– Cold winds -
Climate Context:
– December in D.C. is usually cold.
– Variability in temperatures can occur.
– Daylight hours are shorter.
Average High and Low Temperatures:
Average high and low temperatures provide insight into typical December weather in Washington, D.C. The average high reaches approximately 47°F (8°C), allowing for moderate outdoor activity during the day. The average low falls to around 30°F (-1°C), indicating that nights can be quite chilly. According to the National Weather Service, D.C. experiences fluctuating temperatures as it transitions fully into winter.
Weather Conditions:
Weather conditions in December can vary significantly. Residents might experience possible snowfall, with occasional winter storms impacting the area. Rainfall is also a possibility, hovering around 3 inches for the month. These conditions are influenced by cold winds, which can exacerbate the chill. The temperature drops can occasionally lead to severe weather warnings, particularly during winter storms.
Climate Context:
The climate context of December in D.C. highlights that the month is typically cold, with long-term averages suggesting a chill in the air. Additionally, temperatures can vary significantly from year to year, with some December days experiencing unseasonably warm weather, while others may plunge even further below the average. Daylight hours are notably shorter, adding to a wintry ambiance. This transition period into winter affects individuals’ outdoor activities and overall mood.
How Does December’s Climate in DC Compare to Other Cities?
The climate in Washington, D.C. during December can be compared to several other cities to understand its characteristics better. Below is a table that outlines average temperatures, precipitation, and snowfall for December in D.C. and selected cities.
| City | Average High (°F) | Average Low (°F) | Precipitation (inches) | Snowfall (inches) | Humidity (%) | Wind Speed (mph) |
|---|---|---|---|---|---|---|
| Washington, D.C. | 47 | 33 | 3.0 | 1.5 | 65 | 10 |
| New York, NY | 42 | 30 | 3.5 | 5.0 | 70 | 12 |
| Chicago, IL | 36 | 26 | 2.5 | 6.0 | 75 | 15 |
| Los Angeles, CA | 66 | 48 | 2.0 | 0.0 | 50 | 8 |
| Miami, FL | 76 | 60 | 2.3 | 0.0 | 60 | 6 |
What Is the Average Cloud Cover and Weather Conditions in December?
Average cloud cover in December typically ranges from 50% to 80%. This range signifies the proportion of the sky covered by clouds during this month, indicating overcast conditions in many regions.
The National Weather Service provides this definition, explaining that cloud cover affects temperature, precipitation, and overall weather patterns.
December marks shorter days and cooler temperatures in many areas, contributing to higher cloud cover. Seasonal changes and atmospheric conditions also play significant roles in cloud formation and weather events.
According to the World Meteorological Organization, cloud cover can influence local weather patterns, including precipitation, humidity, and wind conditions, affecting both agriculture and daily life.
Factors contributing to increased cloud cover in December include frequent storm systems, cold air masses, and geographical terrain. Urban areas may experience variations due to pollution and heat islands.
Data from NOAA indicates that cloud cover exceeds 70% in many temperate regions during December, leading to an increase in winter precipitation. This can result in heavy snowfalls, especially in northern climates.
High cloud cover can affect sunlight availability and temperatures, resulting in challenges for agriculture and energy production. It may also contribute to higher heating costs for residential areas.
Health impacts include increased winter-related illnesses due to lower sunlight exposure. Economically, higher cloud cover can affect tourism and outdoor activities.
Specific examples include cities in the Northeast U.S. experiencing heavier snowfalls and disruptions due to increased cloud cover.
To address the impacts of cloud cover in winter, experts recommend enhanced weather forecasting and infrastructure improvements.
Technologies such as better insulation for buildings, renewable energy sources, and urban planning can help mitigate the consequences of increased cloud cover during December.
What Are the Precipitation and Snowfall Levels in DC in December?
The average precipitation in Washington, D.C. during December is approximately 3.0 inches, and the average snowfall is around 1.5 inches.
- Precipitation Levels
- Snowfall Levels
- Historical Variations
- Climate Change Impact
- Local Perspectives on Weather
The various aspects of precipitation and snowfall in Washington, D.C. in December reflect a range of influences and local experiences.
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Precipitation Levels:
Precipitation levels in D.C. typically reach about 3.0 inches in December. This includes rain, snow, and sleet, contributing to the winter climate. According to the National Weather Service, December often experiences about 9-11 days with measurable precipitation annually in D.C. This means that residents can expect rain and occasional wintry mixes during this month. -
Snowfall Levels:
Snowfall levels in December average around 1.5 inches. Snow is less common in early winter, contributing to a milder feel early in the season. There are years when D.C. may experience no snow or, conversely, heavy snowfall events, depending on the weather patterns. The D.C. Metro area has recorded snowfall totals ranging from trace amounts to over 10 inches in exceptional winter storms. -
Historical Variations:
Historical data shows fluctuations in precipitation and snowfall over the decades. For example, data from the NOAA indicates that D.C. has seen a decline in average snowfall compared to early 20th-century records. This change has sparked discussions among climatologists regarding trends and patterns affecting winter weather. -
Climate Change Impact:
Climate change is an ongoing factor influencing December weather patterns in D.C. Warmer winters may lead to reduced snowfall and altered precipitation patterns. The Intergovernmental Panel on Climate Change (IPCC) predicts that rising global temperatures will likely impact seasonal weather, including a potential shift toward wetter conditions, exacerbating storm intensity. -
Local Perspectives on Weather:
Local residents often have varying opinions about December weather conditions. Some appreciate milder temperatures and fewer snow days, while others long for traditional winter conditions with more snow. This sentiment influences activities and events, such as holiday markets and outdoor gatherings.
By analyzing these components, we gain a comprehensive understanding of precipitation and snowfall levels in Washington, D.C. during December, revealing how weather patterns affect both the environment and local lifestyle.
How Much Rain and Snow Can You Expect in December in DC?
In December, Washington, D.C. typically experiences approximately 3.1 inches of rain and 1.5 inches of snow on average. December’s weather can vary yearly, influenced by temperature fluctuations and storm patterns.
Rainfall in December usually occurs during 8 days, with each event producing about 0.39 inches of precipitation on average. This slight increase in rain is often due to the transitional nature of late fall and early winter. Conversely, snowfall is less predictable but averages around 1.5 inches, often falling in light accumulations.
For example, in December 2020, D.C. experienced a rare winter storm, resulting in over 6 inches of snow within a few days. This starkly contrasts with December 2021, when little to no snowfall was recorded.
Several factors can affect precipitation levels in December. Climate change may lead to shifts in temperature patterns, possibly resulting in more rain than snow. Urbanization can also intensify rainfall due to the heat generated by dense construction. Additionally, variations in atmospheric conditions, such as El Niño or La Niña patterns, could influence the amount and type of precipitation.
In summary, December in D.C. usually sees around 3.1 inches of rain and 1.5 inches of snow, although variability exists year-to-year due to climate and weather patterns. Exploring the impact of climate change on precipitation trends may provide further insights into future December weather.
What Is the Average Humidity and Wind Speed in DC in December?
The average humidity in Washington, D.C. in December is approximately 66%, while the average wind speed is around 8 mph. Humidity measures the amount of water vapor in the air. Wind speed indicates the rate at which air moves from one area to another.
The National Oceanic and Atmospheric Administration (NOAA) provides authoritative data on weather patterns, including humidity and wind speed. This organization monitors and reports climate information, ensuring accuracy and reliability.
In December, humidity levels often feel high due to colder temperatures and shorter daylight hours. The air’s moisture content can influence comfort levels and overall weather patterns. Wind speed is affected by geographical features and urban development, impacting temperature sensations.
The Weather Channel notes that humidity and wind speed are essential for understanding local climate variations. They help in predicting weather changes and informing residents about weather preparedness.
Factors contributing to humidity in D.C. include proximity to the Potomac River and seasonal weather systems. Cold fronts can cause fluctuations in wind speeds during this month, which can lead to varying temperatures.
Data from NOAA shows that average humidity levels in D.C. tend to remain stable in December. Historical records indicate that temperatures can drop significantly, often leading to frost and reduced comfort outdoors.
The impacts of humidity and wind speed are significant for health, affecting respiratory conditions and overall well-being. High humidity can also lead to discomfort during outdoor activities.
Increased humidity can strain HVAC systems economically, while high wind speeds may lead to property damage. For instance, storm winds can uproot trees or damage infrastructure.
To mitigate issues related to humidity and wind speed, experts recommend enhancing building insulation and using energy-efficient heating systems. Additionally, developing green and urban spaces can improve air quality and comfort levels.
Strategies for managing these conditions include using weatherization techniques and investing in climate-resilient urban planning. Implementing community awareness programs on weather preparedness is also essential.
How Many Hours of Daylight Can You Expect in December in DC?
In December, Washington, D.C. experiences an average of about 9.5 hours of daylight each day. This amount of daylight decreases as the month progresses, reaching its lowest point around the winter solstice, which typically occurs around December 21st. On that date, daylight lasts for approximately 9 hours and 26 minutes.
Sunrise in early December usually occurs around 7:00 AM, while sunset happens near 4:30 PM. By the last week of the month, sunrise may shift to around 7:15 AM, and sunset can occur as late as 4:45 PM. This slight increase in daylight occurs as winter approaches, marking the transition toward longer days.
Factors that can influence the total hours of daylight include weather conditions and geographical variations. For instance, overcast skies can affect perceived daylight, and local landscape features may cast shadows, reducing effective light in particular areas. Additionally, shifts due to Daylight Saving Time, which ends in early November, mean that the time zones also impact the perception of daylight hours.
In summary, residents of Washington, D.C. can expect about 9.5 hours of daylight in December. The specific duration varies slightly, with the winter solstice marking the shortest day. Variability in daily conditions can further influence the experience of daylight during this month. For those interested in this topic, exploring sunrise and sunset tracking tools or apps may provide deeper insights into daily changes in daylight.
What Winter Activities Are Available in DC in December?
In December, Washington D.C. offers a variety of winter activities for residents and visitors. These activities encompass outdoor and indoor experiences, holiday celebrations, and cultural events.
- Ice Skating
- Holiday Markets
- National Christmas Tree Lighting
- Museums and Galleries
- Seasonal Festivals
- Outdoor Lighting Displays
- The Kennedy Center’s “Nutcracker” Performance
These activities reflect the diverse ways people can enjoy the winter season in the capital. While some may prefer outdoor ice skating, others might lean towards indoor cultural experiences.
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Ice Skating:
Ice skating occurs at various rinks around D.C., including the National Gallery of Art Sculpture Garden. This outdoor rink offers a picturesque setting with art installations nearby. According to the National Gallery of Art, the rink typically opens in mid-November and remains accessible until March. Many enjoy ice skating as a fun way to exercise and socialize in the holiday spirit. -
Holiday Markets:
Holiday markets pop up throughout D.C., featuring local artisans, food vendors, and festive merchandise. Popular markets include the Downtown Holiday Market and the Eastern Market. These venues provide a unique shopping experience and support local businesses. According to the D.C. Tourism Board, these markets attract thousands of visitors each December, fostering community connection and holiday cheer. -
National Christmas Tree Lighting:
The National Christmas Tree Lighting ceremony takes place in front of the White House, featuring musical performances and the lighting of the iconic tree. This annual tradition, established in 1923, draws large crowds. Families and tourists alike cherish the event as a celebration of unity and the festive spirit of the season. -
Museums and Galleries:
Numerous museums and galleries in D.C. offer winter-themed exhibitions and special events during December. The Smithsonian museums, for example, are free and provide a chance to explore art, history, and science. Many visitors take advantage of the indoor activities to stay warm while learning. Events, such as holiday-themed tours, enrich the experience. -
Seasonal Festivals:
Seasonal festivals, like Georgetown GLOW and ZooLights at the National Zoo, create enchanting experiences with light displays and holiday decorations. Georgetown GLOW showcases light art installations from local artists, while ZooLights features illuminated animal displays. These festivals attract families, photographers, and those seeking a unique evening out. -
Outdoor Lighting Displays:
Many neighborhoods in D.C. embrace the festive spirit with elaborate outdoor lighting displays. Areas like Capitol Hill and Dupont Circle host stunning light exhibitions. Residents enjoy walking through neighborhoods adorned in holiday lights, fostering a sense of community and celebration. -
The Kennedy Center’s “Nutcracker” Performance:
The Kennedy Center presents the classic ballet “The Nutcracker” each December, captivating audiences of all ages. This production showcases the tradition of holiday storytelling through dance and music. Reviews from past performances highlight the beauty and artistry that residents look forward to each year.
These winter activities in D.C. provide residents and visitors with a rich tapestry of experiences, combining culture, celebration, and community spirit during the festive month of December.
What Should You Wear to Stay Comfortable in DC’s December Weather?
To stay comfortable in Washington, DC’s December weather, which typically features temperatures ranging from the mid-30s to low 50s Fahrenheit, consider the following clothing items:
| Clothing Item | Description |
|---|---|
| Layered Clothing | Wear a thermal base layer, a warm sweater or fleece, and a waterproof or insulated coat. |
| Bottoms | Choose insulated pants or jeans. Consider thermal leggings underneath for extra warmth. |
| Footwear | Opt for waterproof boots with good insulation and traction, as December can be rainy or snowy. |
| Accessories | Don’t forget a warm hat, gloves, and a scarf to protect against the cold wind. |
| Umbrella | A small, portable umbrella can be handy for unexpected rain. |
| Recommended Fabrics | Wool, fleece, and synthetic materials are ideal for warmth and moisture-wicking. |
By layering and choosing appropriate materials, you can stay comfortable while exploring the city.
What Are the Best Tips for Experiencing December Weather in DC?
To experience December weather in Washington, D.C. effectively, one should be prepared for cold temperatures, potential snow, and holiday festivities.
- Dress in layers for warmth.
- Prepare for possible snow or ice.
- Enjoy holiday events and decorations.
- Be mindful of changing weather conditions.
- Engage in winter outdoor activities.
These points highlight both practical tips and opportunities for enjoyment during this festive month.
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Dress in layers for warmth: Dressing in layers for warmth helps individuals adjust to fluctuating temperatures. In December, D.C. temperatures range from 30°F to 50°F. Residents and visitors should wear thermal undergarments, sweaters, and waterproof jackets. A 2021 report by the National Weather Service noted that layering significantly increases comfort and insulation.
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Prepare for possible snow or ice: Preparing for possible snow or ice means being ready for winter weather hazards. Snow usually accumulates in D.C. in December, averaging around 1.5 inches. Local authorities recommend having winter tires or public transport plans, as road conditions can become dangerous.
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Enjoy holiday events and decorations: Holiday events and decorations enhance the festive atmosphere. Popular events include the National Christmas Tree Lighting and the National Hanukkah Menorah Lighting. According to the D.C. tourism board, these events attract thousands of visitors and contribute to the city’s holiday spirit.
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Be mindful of changing weather conditions: Being mindful of changing weather conditions is crucial. D.C.’s weather can shift rapidly, with sunny conditions turning into rain or snow. The Weather Channel reports that keeping an eye on daily forecasts can help residents and visitors plan their activities appropriately.
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Engage in winter outdoor activities: Engaging in winter outdoor activities fosters enjoyment of the season. Ice skating at the National Gallery of Art’s Sculpture Garden and visiting holiday markets are popular activities. Parks and recreation departments encourage families to partake in these events to promote community and winter sport engagement.
Overall, these comprehensive tips ensure a comfortable and enjoyable experience of December weather in Washington, D.C.
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