Seattle’s Average Weather in July: What to Expect for Your Summer Visit

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Seattle in July features warm weather. The average daily temperature reaches 23°C (73°F) during the day and drops to 13°C (55°F) at night. The city enjoys about 10 hours of sunshine each day. This month has mild, comfortable weather, perfect for outdoor activities, with occasional rain. Seattle’s summer climate is generally pleasant.

Rain is infrequent in July, with average precipitation around 1 inch. The skies are usually clear, and sunshine is abundant, making it an ideal time to explore Seattle’s numerous attractions. Visitors can expect beautiful views of the mountains and the famous Puget Sound. Additionally, the city’s vibrant neighborhoods buzz with summer events and festivals.

When planning outdoor activities, it’s wise to check the local forecast for any unexpected changes. Remember to pack sunscreen and light clothing for the daytime and warmer layers for the evening.

As you anticipate Seattle’s average weather in July, consider popular outdoor attractions and events that take advantage of this delightful climate. Exploring Seattle’s parks, markets, and waterfront can enrich your summer visit, providing memorable experiences in this scenic city.

What Is the Average High and Low Temperature in Seattle in July?

Seattle experiences mild weather in July, characterized by an average high temperature of 75°F (24°C) and an average low of 57°F (14°C). The National Oceanic and Atmospheric Administration (NOAA) provides reliable climate data for cities across the United States, including Seattle.

July is the warmest month in Seattle, with long daylight hours and low precipitation levels. The city sees around 14 hours of daylight, contributing to its vibrant summer atmosphere. The warm temperatures attract tourists and locals to outdoor activities.

According to the Western Regional Climate Center, summer temperatures can vary based on local geography and microclimates. Proximity to the Pacific Ocean moderates temperatures, preventing extreme heat.

Factors influencing Seattle’s temperatures include coastal influences, urbanization, and climate patterns. The Pacific Ocean’s cool waters help stabilize temperatures, while urban areas can create heat islands, slightly increasing local temperatures.

Historical climate data indicates that Seattle’s average high temperature in July has risen by 1.5°F (0.8°C) over the past few decades. The NOAA projects continued warming, with an expected increase of up to 3°F (1.7°C) by mid-century if current trends continue.

Warmer July temperatures impact outdoor recreation, tourism, and local ecosystems. Increased heat can influence wildlife patterns, affecting species that rely on specific temperature ranges.

Health-wise, higher temperatures can exacerbate respiratory issues and heat-related illnesses. Urban heat can impact elderly populations and those with pre-existing health conditions.

To address rising temperatures, the City of Seattle promotes green infrastructure, such as planting trees and creating green roofs, to mitigate heat. Sustainable urban planning is crucial to counteract urban heat effects.

Practices include increasing green spaces, enhancing public transportation, and implementing energy-efficient technologies. These strategies aim to reduce the heat island effect while promoting a sustainable environment.

How Does July Weather in Seattle Compare to Nearby Cities?

The weather in Seattle during July is typically mild compared to nearby cities. Below is a comparison of average temperatures and precipitation for Seattle and a few nearby cities in July.

CityAverage High (°F)Average Low (°F)Precipitation (inches)Humidity (%)Wind Speed (mph)
Seattle75560.5605
Portland82590.2557
Tacoma76570.4586
Everett74550.3624

Seattle experiences slightly cooler temperatures than Portland but similar temperatures to Tacoma and Everett. Precipitation is generally low across these cities in July.

What Are the Common Cloud Cover Conditions in Seattle during July?

Seattle experiences variable cloud cover conditions during July. Generally, July is characterized by mild weather and reduced cloud cover, although variability can occur.

  1. Typical Clear Skies
  2. Occasional Partly Cloudy Days
  3. Rare Overcast Conditions
  4. Regional Differences in Cloud Cover

The variability in cloud cover can lead to differing experiences depending on location and specific weather patterns.

  1. Typical Clear Skies:
    In Seattle, typical clear skies dominate in July. On average, the city enjoys about 15 clear days, with plenty of sunshine. The NOAA reports that July has an average of 280 hours of sunshine, indicating a generally favorable weather pattern for outdoor activities.

  2. Occasional Partly Cloudy Days:
    Occasional partly cloudy days occur throughout July. These days still provide considerable sunshine. During these times, cloud cover may increase but usually does not last long. The average high temperature sits around 75°F (24°C), providing a pleasant climate for locals and visitors.

  3. Rare Overcast Conditions:
    Rare overcast conditions may arise in July, but they are infrequent. On average, Seattle experiences only about two to three overcast days. Conditions can change rapidly, especially in coastal regions. These days often come with higher humidity, making the weather feel warmer than it is.

  4. Regional Differences in Cloud Cover:
    Regional differences in cloud cover are notable in the greater Seattle area. Neighborhoods closer to Puget Sound may experience more cloud cover due to marine influences, while those further inland, such as Bellevue, may have clearer skies. This reflects the importance of geographical factors in determining weather patterns. An example study conducted by the University of Washington in 2019 emphasized how regional topography impacts local microclimates.

July in Seattle typically offers beautiful weather, though occasional clouds can occur, influenced by regional variations.

What Amount of Rainfall Can Be Expected in Seattle in July?

Seattle typically receives about 0.7 inches (17.8 mm) of rainfall in July. This month is one of the driest periods for the city, featuring pleasant weather.

  1. Average Rainfall
  2. Weather Patterns
  3. Historical Comparisons
  4. Climate Change Effects
  5. Perspectives on Seattle Weather

These points help in understanding the rainfall expectations and considerations in Seattle during July.

  1. Average Rainfall:
    Seattle’s average rainfall in July is 0.7 inches (17.8 mm). This low level of precipitation makes July a popular month for outdoor activities. However, weather can vary year to year.

  2. Weather Patterns:
    The month generally features mild temperatures, averaging between 60°F (15.6°C) and 75°F (23.9°C). Clear days and sunny skies are typical, providing great conditions for visitors. Seattle experiences fewer rainy days in July.

  3. Historical Comparisons:
    Comparing rainfall amounts, July is the driest month. Over the past century, July rainfall has shown a decreasing trend, according to data from the National Oceanic and Atmospheric Administration (NOAA).

  4. Climate Change Effects:
    Experts suggest that climate change may alter weather patterns. Increased temperatures can lead to more irregular rainfall patterns. A study by the IPCC in 2021 highlights potential changes, urging the need for adaptive approaches to manage this.

  5. Perspectives on Seattle Weather:
    While many locals appreciate the drier conditions in July, some visitors may find the absence of the characteristic Seattle drizzle disappointing. Opinions vary, with some preferring the traditional rainy weather for its unique charm.

Understanding these aspects provides valuable insights into what to expect regarding rainfall in Seattle during July.

How Many Hours of Sunshine Can You Enjoy in Seattle in July?

In July, Seattle enjoys an average of about 15 hours of sunshine per day. This month typically sees the highest amount of sunshine for the year in the city. Specifically, July averages approximately 315 hours of sunshine over the entire month. This equates to around 61% of the available daylight hours being sunny.

Daily variations can occur due to weather patterns and cloud cover. For instance, during particularly clear weeks, residents may enjoy full days of sunshine, while other days might be partially cloudy. July is also characterized by warmer temperatures, often ranging from 60°F to 80°F, which can enhance outdoor activities and enjoyment of the sun.

Factors influencing sunshine hours include local geography and oceanic influences. Seattle’s location near the Puget Sound and the Cascade Mountains can create clouds or moderate temperatures. Coastal influences can lead to variability, with some days experiencing marine layer fog in the mornings that dissipates as the day progresses.

In summary, Seattle experiences an average of about 15 hours of sunshine daily in July, contributing to its warmest and sunniest month. While sunshine can vary due to daily weather conditions, the overall trend is a sunny summer, making it an excellent time for outdoor activities. Further exploration of weather patterns or climate change effects on regional sunshine hours may provide additional insights.

What Are the Best Outdoor Activities to Experience in Seattle Based on July Weather?

The best outdoor activities to experience in Seattle based on July weather include hiking, kayaking, beach outings, and attending outdoor festivals and events.

  1. Hiking in local parks and mountains
  2. Kayaking on Lake Union or Puget Sound
  3. Visiting beaches like Alki Beach and Golden Gardens
  4. Attending outdoor festivals and markets
  5. Biking on local trails
  6. Playing sports in public parks

These activities highlight the city’s rich natural beauty and vibrant culture. Each option offers a unique way to enjoy the pleasant July temperatures, often ranging from the mid-70s to low 80s Fahrenheit.

  1. Hiking in Local Parks and Mountains:
    Hiking in local parks and mountains provides a wonderful way to explore Seattle’s stunning natural surroundings. Popular trails include Rattlesnake Ledge and Mount Si. The Washington Trails Association recommends these trails for their panoramic views and accessible conditions in July. Research indicates that outdoor enthusiasts can benefit from physical activity, fresh air, and nature exposure. A 2015 study published in the Journal of Environmental Psychology highlighted how time in nature reduces stress levels.

  2. Kayaking on Lake Union or Puget Sound:
    Kayaking on Lake Union or Puget Sound allows individuals to experience the waterways and view Seattle’s skyline from a different perspective. Nearby rental shops offer equipment for casual paddlers. According to the Outdoor Industry Association, kayaking also engages numerous muscle groups while enhancing balance and coordination. In July, the warm weather creates ideal paddling conditions, making this a popular choice.

  3. Visiting Beaches Like Alki Beach and Golden Gardens:
    Visiting beaches like Alki Beach and Golden Gardens offers relaxation and recreational opportunities. Families enjoy sunbathing, picnicking, and playing beach volleyball. The beach areas also provide waterfront views and opportunities for beachcombing. The Seattle Parks and Recreation Department reports increased beach attendance in July, showing its role in community leisure activities and family gatherings.

  4. Attending Outdoor Festivals and Markets:
    Attending outdoor festivals and markets, such as the Seattle International Film Festival or various farmer’s markets, showcases local culture and artistry. In July, festivities often include food, music, and art, reflecting Seattle’s vibrant community spirit. A report by the Seattle Office of Arts and Culture highlights how such events promote local businesses and foster community engagement.

  5. Biking on Local Trails:
    Biking on local trails offers both fitness and fun while exploring Seattle’s landscape. The Burke-Gilman Trail is popular for its scenic route along Lake Washington. Research by the National Sporting Goods Association indicates that cycling remains one of the most popular recreational activities. July’s moderate weather encourages biking as an enjoyable way to commute or explore.

  6. Playing Sports in Public Parks:
    Playing sports in public parks presents opportunities for group activities and fitness. Locations such as Magnuson Park and Seward Park provide ample space for soccer, frisbee, and other games. A study by the Centers for Disease Control and Prevention emphasizes the health benefits of physical activity in parks, pointing out improvements in community health outcomes when people engage in outdoor sports.

These outdoor activities allow visitors and residents to make the most of Seattle’s pleasant July weather, fostering a connection to nature and the local community.

How Should You Prepare for Changes in Weather When Visiting Seattle in July?

Seattle experiences mild and pleasant weather in July, with average high temperatures around 75°F (24°C) and minimal rainfall, typically about 1 inch for the entire month. However, preparation for potential weather changes is crucial for your visit. Occasionally, temperatures may rise into the 80s°F (27°C and above), prompting the need for lightweight, breathable clothing.

When packing for your trip, consider layering options. Mornings and evenings can be cooler, with temperatures averaging around 55°F (13°C). A light jacket or sweater will be useful. Additionally, sudden rain showers can occur, even in summer, so a packable rain jacket or umbrella is advisable.

Seattle’s proximity to water influences its microclimate. The city’s location near Puget Sound helps maintain moderate temperatures but can lead to unpredictable weather patterns. While most days are sunny, the chances of rain are about 15% in July. This means it’s wise to stay prepared for brief showers.

For example, a day that starts sunny may turn overcast, surprising visitors unprepared for rainfall. Local attractions like Pike Place Market or the Space Needle can quickly become less enjoyable without appropriate clothing.

Factors such as climate change may also slightly impact Seattle’s weather patterns in the future, possibly leading to warmer days or shifts in precipitation trends. Therefore, it’s beneficial to check the weather forecast just before your trip for any updates.

In summary, when visiting Seattle in July, be ready for mild temperatures, occasional heat waves, and potential rain. Pack layered clothing and essential rain gear. Keeping track of local weather updates will enhance your experience and ensure comfort during your stay. Further exploration into Seattle’s cultural activities can also enrich your visit.

What Packing Tips Can Help You Make the Most of July in Seattle?

To make the most of July in Seattle, pack light clothing, layers, and appropriate accessories for varied weather. Consider bringing essentials for local activities, such as outdoor exploration and cultural events.

Main Packing Tips:
1. Light layers for warm days and cool evenings.
2. Waterproof jacket for sudden rain.
3. Comfortable walking shoes.
4. Sunscreen and sunglasses for sunny days.
5. Reusable water bottle for hydration.
6. Backpack for day trips or excursions.
7. Clothes for potential outdoor activities, like hiking or biking.

Transitioning to the detailed explanation of each packing tip for Seattle in July helps ensure you have a well-prepared visit.

  1. Light Layers:
    Packing light layers is crucial for Seattle in July. Days can be warm with temperatures averaging around 75°F (24°C), while evenings can dip to the mid-50s°F (around 13°C). Layering allows you to easily adjust to these fluctuations.

  2. Waterproof Jacket:
    A waterproof jacket is essential due to Seattle’s reputation for sudden rain showers, even in summer. According to the National Weather Service, July can still see about 1 inch of rainfall. A jacket provides protection against unexpected weather changes.

  3. Comfortable Walking Shoes:
    Seattle features many walkable areas and scenic parks. Comfortable walking shoes are recommended for exploring attractions like Pike Place Market or taking part in outdoor activities. Footwear should be supportive for walking on varied terrain.

  4. Sunscreen and Sunglasses:
    Pack sunscreen and sunglasses to protect against UV rays on clear days. According to the CDC, SPF 30 or higher is recommended for effective skin protection. July can have up to 14 hours of daylight, so sunscreen safeguards against potential sunburn.

  5. Reusable Water Bottle:
    Stay hydrated while enjoying outdoor activities. A reusable water bottle is eco-friendly and convenient. The Seattle Department of Parks and Recreation advocates hydration during summer months for overall health.

  6. Backpack:
    A lightweight backpack is ideal for carrying your essentials while exploring, such as snacks, a water bottle, and a camera. It frees up your hands for activities and gives you easy access to your items.

  7. Clothes for Outdoor Activities:
    If you plan to engage in outdoor activities, like hiking, pack versatile clothing that allows mobility. Seattle’s proximity to mountains and water offers numerous opportunities for kayaking or hiking. Choose moisture-wicking fabrics for comfort and breathability.

By following these packing tips, you can enjoy a delightful summer experience in Seattle.

What Unique Events and Festivals Happen in Seattle during July?

Seattle hosts several unique events and festivals during July, offering a vibrant experience for locals and visitors alike.

  1. Seafair Festival
  2. Bite of Seattle
  3. Capitol Hill Block Party
  4. Greenwood Car Show
  5. Seattle International Beerfest

These events reflect the city’s diverse culture and include elements of food, music, and community engagement.

  1. Seafair Festival: The Seafair Festival is a month-long summer celebration in Seattle. It features parades, hydroplane races, and various community events. The Seafair Torchlight Parade is particularly popular and showcases local organizations along with entertainment.

  2. Bite of Seattle: The Bite of Seattle is a food festival that highlights local cuisines. It includes food vendors, cooking demonstrations, and live music. According to event organizers, it aims to celebrate Seattle’s culinary diversity.

  3. Capitol Hill Block Party: The Capitol Hill Block Party is a street festival that focuses on music and arts. It displays local bands and artists, creating a platform for emerging talents. The festival emphasizes community involvement and showcases the creative spirit of the neighborhood.

  4. Greenwood Car Show: The Greenwood Car Show celebrates classic and vintage automobiles. This event attracts car enthusiasts of all ages. It involves local businesses, creating a community atmosphere while allowing locals to admire beautiful vehicles.

  5. Seattle International Beerfest: The Seattle International Beerfest is designed for beer aficionados. It features a variety of local and international brews. Attendees can participate in tastings, allowing them to explore different flavors and brewing techniques.

These July events contribute significantly to Seattle’s cultural landscape, providing opportunities for fun and engagement among community members and visitors.

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