Average Monthly Temperatures in St. Augustine, Florida: Weather Averages and Climate Guide

Average monthly temperatures in St. Augustine, Florida, range from 47°F in January to 91°F in August. August is the hottest month, averaging 88°F. January is the coldest month, averaging 57°F. Annual precipitation is approximately 52 inches, peaking in August with 6.81 inches. This information helps plan your visit.

The weather in St. Augustine is characterized by mild winters and warm summers. Spring brings a gradual increase in temperature, reaching about 75°F (24°C) in March. By fall, temperatures begin to cool down again, providing a comfortable environment for visitors.

Rainfall is prevalent during the summer months, with June through September receiving the highest precipitation. Humidity levels also rise during this period, contributing to the feeling of warmth. Conversely, winter months experience lower humidity and minimal rainfall.

Understanding the average monthly temperatures in St. Augustine is essential for planning outdoor activities. Visitors can enjoy historical sites, beaches, and festivals year-round.

As you delve deeper into the climate guide, consider how these weather patterns impact local flora and fauna. Explore the seasonal changes that define the natural beauty of St. Augustine and its surroundings.

What Are the Average Monthly Temperatures in St. Augustine, Florida?

The average monthly temperatures in St. Augustine, Florida, range from 53°F in January to 90°F in July.

  1. Average temperature range by month:
    – January: 53°F
    – February: 55°F
    – March: 61°F
    – April: 67°F
    – May: 72°F
    – June: 78°F
    – July: 90°F
    – August: 89°F
    – September: 84°F
    – October: 75°F
    – November: 64°F
    – December: 57°F

  2. Seasonal temperature variations:
    – Winter months: Mild temperatures
    – Summer months: Hot and humid conditions

  3. Perspectives on climate preferences:
    – Warm weather enthusiasts prefer summer months.
    – People sensitive to heat may favor cooler months.

The average monthly temperatures in St. Augustine, Florida, illustrate distinct seasonal variations.

  1. Average temperature range by month:
    The average temperature range by month in St. Augustine starts from about 53°F in January. As the year progresses, temperatures gradually increase, reaching a peak of around 90°F in July. September records an average temperature of 84°F, and by December, it drops again to approximately 57°F. This range indicates a warm climate with notable peaks during summer and cooler periods in winter.

  2. Seasonal temperature variations:
    Seasonal temperature variations indicate that winter months, particularly from December to February, offer mild temperatures that average around 53°F to 64°F. In contrast, summer months, from June to August, present hot and humid conditions, with highs often exceeding 85°F. This variability is significant for tourism and outdoor activities in St. Augustine, driving visitor numbers during the pleasant winter season.

  3. Perspectives on climate preferences:
    Perspectives on climate preferences vary among residents and visitors. Warm weather enthusiasts find the summer months ideal for beach activities, while hunters and outdoor adventurers might prefer the cooler winter months for comfort. Additionally, individuals sensitive to heat often appreciate lower temperatures in winter for living or visiting, highlighting the diverse opinions on what constitutes favorable weather in St. Augustine.

How Do Seasonal Changes Affect Average Monthly Temperatures in St. Augustine, Florida?

Seasonal changes significantly influence average monthly temperatures in St. Augustine, Florida, leading to distinct warm and cool periods throughout the year.

The following key points illustrate how these seasonal variations affect temperature:

  1. Climate Type: St. Augustine has a humid subtropical climate. This means it experiences hot summers and mild winters. According to the National Weather Service, average summer temperatures range from 80°F to 90°F (27°C to 32°C), while winter months see averages from 50°F to 70°F (10°C to 21°C).

  2. Summer Influence: The summer months, from June to September, exhibit the highest temperatures. High humidity levels during this season can make temperatures feel hotter. The average high in July, the hottest month, reaches around 90°F (32°C).

  3. Winter Influence: The winter months, from December to February, bring cooler temperatures. The average low in January can dip to about 45°F (7°C). However, it rarely falls below freezing.

  4. Transitional Seasons: Spring (March to May) and fall (October to November) serve as transitional periods. During spring, temperatures rise gradually, with averages ranging from 60°F to 80°F (16°C to 27°C). In fall, temperatures slowly decrease, averaging between 70°F and 80°F (21°C to 27°C).

  5. Rainfall Patterns: Rainfall is also affected by these seasonal changes. Summer is the wettest period, characterized by afternoon thunderstorms. These downpours can briefly cool the air but also contribute to the overall humidity.

  6. Geographical Location: St. Augustine’s coastal location moderates temperature extremes. The Atlantic Ocean influences temperatures, keeping summer nights cooler and preventing severe winter cold.

  7. Historical Data: According to the National Oceanic and Atmospheric Administration (NOAA), average temperatures showcase a clear shift in patterns month-by-month, reflecting the natural cycle of seasons.

Understanding these factors provides insight into how seasonal changes impact temperature patterns in St. Augustine, enabling residents and visitors to prepare accordingly.

What Is the Climate Classification for St. Augustine, Florida?

The climate classification for St. Augustine, Florida, is classified as humid subtropical (Cfa) under the Köppen climate classification system. This designation indicates hot, humid summers and mild winters, along with a year-round distribution of precipitation.

The Köppen climate classification system is widely recognized and used by climate scientists and meteorologists. It categorizes the world’s climates based on temperature and precipitation patterns. This system helps in understanding regional climates and their impacts on local environments and economies.

In a humid subtropical climate like St. Augustine’s, summers are typically hot and humid, with average high temperatures reaching around 90°F (32°C). Winters are mild, with average lows around 40°F (4°C). Rainfall is abundant throughout the year, with late summer being the wettest period, often due to tropical storms.

According to the National Oceanic and Atmospheric Administration (NOAA), St. Augustine receives approximately 53 inches of rainfall annually. This aspect of the local climate supports a diverse array of vegetation, including hardwood forests and wetlands.

Factors contributing to this climate include geographical location, proximity to the Atlantic Ocean, and ocean currents, which influence temperature and precipitation patterns. The Atlantic Ocean moderates temperatures and contributes to humidity levels.

Climate data indicates that St. Augustine’s average temperatures have risen over the past decades. The National Centers for Environmental Information report an increase of about 1.5°F since the mid-20th century, which may have implications for local ecosystems and weather patterns.

The humid subtropical climate can lead to increased instances of heat-related illnesses, as well as challenges for agriculture and water management. These climate conditions affect local wildlife and plant species, potentially disrupting ecosystems.

Consequences may include increased energy demand for cooling, impacts on local tourism, and adaptations required by residents and businesses to manage the heat and humidity effectively.

Examples of these impacts include a rise in healthcare costs associated with heat-related illnesses and changes in local agriculture due to shifting growing seasons.

To address these climate-related challenges, experts recommend implementing water conservation measures, promoting heat-resilient crops, and utilizing green infrastructure to manage stormwater. Such strategies can help mitigate the effects of a humid subtropical climate.

Specific practices include the use of rain gardens, permeable pavements, and improved irrigation techniques. These measures can enhance resilience against flooding and manage urban heat effectively.

What Are the Average High and Low Temperatures in St. Augustine, Florida?

The average high temperature in St. Augustine, Florida, ranges from 65°F in January to 90°F in July. The average low temperature ranges from 45°F in January to 75°F in July.

  1. Average High Temperatures
  2. Average Low Temperatures
  3. Seasonal Variations
  4. Climate Considerations
  5. Tourism Impacts

The diverse perspectives on temperatures in St. Augustine highlight varying interests and considerations for residents and visitors alike. Now, let’s delve into each aspect for a clearer understanding.

  1. Average High Temperatures:
    The average high temperatures in St. Augustine display significant variation throughout the year. In January, the average high is about 65°F (18°C), while in July, it peaks at approximately 90°F (32°C). These figures indicate a warm climate suitable for outdoor activities year-round. According to the National Oceanic and Atmospheric Administration (NOAA), the warmest months typically occur during summer, primarily between June and August.

  2. Average Low Temperatures:
    The average low temperatures in St. Augustine also exhibit seasonal fluctuations. January’s average low is around 45°F (7°C), whereas in July, it rises to about 75°F (24°C). This variation implies that winters are mild compared to many northern states, with comfortable temperatures that attract visitors seeking warmth. The weather data is consistent with findings from the Weather Channel, which notes that temperatures rarely fall below freezing.

  3. Seasonal Variations:
    Seasonal variations in St. Augustine’s temperatures influence both local residents and tourists. Spring and fall experience moderate temperatures, making these seasons popular for visitors. The comfortable climate during these times enhances outdoor events and festivals. According to a study published in the Journal of Climate, the region benefits from a subtropical climate that allows for diverse ecosystems, which further attracts nature enthusiasts.

  4. Climate Considerations:
    Climate considerations include the implications of rising temperatures due to climate change. Residents may face heatwaves during summer months, with average highs potentially increasing. The World Meteorological Organization emphasizes the importance of adapting to changing temperatures to mitigate heat-related health risks. Residents and tourists should prepare for fluctuating weather patterns that may emerge.

  5. Tourism Impacts:
    Tourism in St. Augustine is significantly impacted by temperature variations. Warm summer months draw visitors to beaches and historical sites, while mild winters attract those wishing to escape colder climates. Data from the Florida Division of Tourism indicates that weather plays a crucial role in determining travel patterns and the overall economic health of the region. Understanding temperature averages can help businesses effectively market services to travelers seeking favorable weather.

When Is the Hottest Month in St. Augustine, Florida?

The hottest month in St. Augustine, Florida, is July. During this month, average temperatures typically reach their peak. Daytime highs often exceed 90 degrees Fahrenheit (32 degrees Celsius). This month also experiences high humidity, which can make the heat feel more intense. Thus, visitors and residents should prepare for warm weather in July.

When Is the Coldest Month in St. Augustine, Florida?

The coldest month in St. Augustine, Florida, is typically January. During this month, average low temperatures can drop to around 42°F (6°C). Average high temperatures are usually about 63°F (17°C). These winter temperatures mark the coolest period of the year for the region.

How Do Average Monthly Rainfall and Precipitation Levels Influence Temperatures in St. Augustine, Florida?

Average monthly rainfall and precipitation levels in St. Augustine, Florida, significantly influence local temperatures by impacting humidity and evaporative cooling processes.

Higher rainfall contributes to increased humidity levels. Humidity affects how temperatures feel to residents and visitors. When humidity is high, evaporation of sweat from the skin decreases, leading to discomfort even at moderate temperatures. According to NOAA data for St. Augustine, average annual rainfall is approximately 54 inches, with the wettest months being from June to September. This rainfall translates into increased moisture in the air.

  • Humidity impact: High humidity can create a warmer feel due to the body’s reduced ability to cool itself through sweat evaporation. This phenomenon is often measured in the heat index, which combines temperature and humidity to illustrate what the temperature feels like.

  • Evaporation effects: Rainfall supports processes where moisture evaporates from the ground and vegetation. This evaporative cooling can temporarily lower local air temperatures. In summer months, this cooling may help mitigate the extreme heat, especially following rain.

  • Temperature fluctuations: Monthly precipitation varies, with July and August receiving the highest amounts, averaging about 7 inches. These wet months often bring brief storms that can lower daytime temperatures. However, after storms, the heat may return quickly, causing notable fluctuations in temperature within a short period.

  • Seasonal patterns: St. Augustine experiences a tropical climate, characterized by warm temperatures year-round. Influenced by rainfall, the city sees greater temperature moderation during the wet season. This season often sees daytime highs around 90°F (32°C) and cooler evenings, largely due to cloud cover and humidity from precipitation.

Understanding these relationships illustrates how average monthly rainfall and precipitation levels shape the thermal experience in St. Augustine, influencing comfort, lifestyle, and local ecology.

What Are the Best Months to Visit St. Augustine, Florida Based on Temperature?

The best months to visit St. Augustine, Florida, based on temperature, are typically March to May and September to November.

  1. Spring (March to May)
  2. Fall (September to November)
  3. Summer (June to August)
  4. Winter (December to February)

Spring and fall generally offer mild temperatures and less humidity. These seasons are favored by many travelers. Contrastingly, summer can be intensely hot and humid, while winter may bring cooler temperatures, which some visitors appreciate. Seasonal preferences can vary based on individual tolerance for heat and humidity.

  1. Spring (March to May):
    Spring in St. Augustine sees temperatures ranging from 55°F to 85°F. This mild climate invites outdoor activities and sightseeing. According to the National Oceanic and Atmospheric Administration (NOAA), March averages around 70°F. Popular events, such as the St. Augustine Food and Wine Festival, attract visitors during these months.

  2. Fall (September to November):
    Fall temperatures range from 60°F to 80°F. This period is noted for its pleasant weather post-summer heat. September, while still warm, often hosts fewer tourists. In November, the Nights of Lights festival begins, drawing visitors with its festive atmosphere.

  3. Summer (June to August):
    Summer can be hot and humid, with temperatures averaging 70°F to 90°F. The heat index can feel significantly higher. This season is busy with tourists, which may lead to crowded attractions. While some enjoy beach activities, others may find the heat overwhelming, making indoor attractions more appealing.

  4. Winter (December to February):
    Winter temperatures range from 45°F to 70°F. While some enjoy the cooler weather and lower humidity, it is less popular for beach activities. Winter visitors appreciate the city’s historical charm and holiday festivities. The weather can fluctuate, with occasional cold fronts bringing cooler days.

These variations in climate across the seasons enable travelers to choose a time that aligns with their preferences.

How Do Average Monthly Temperatures in St. Augustine Compare to Other Florida Cities?

Average monthly temperatures in St. Augustine, Florida, tend to be comparable to other coastal Florida cities, yet they can vary slightly due to geographical features and local climate influences. St. Augustine experiences a humid subtropical climate, which results in distinct seasonal temperature changes.

  • January is typically the coldest month. The average monthly temperature for St. Augustine is around 53°F (12°C). In comparison, cities like Miami and Orlando are warmer, often reaching average temperatures of 60°F (16°C) and 57°F (14°C) respectively.
  • July is usually the hottest month in St. Augustine, averaging about 81°F (27°C). Miami, known for its warmer climate, averages around 84°F (29°C) during the same month, while Orlando closely follows at about 82°F (28°C).
  • The annual temperature range in St. Augustine is about 65°F (37°C) to 85°F (29°C). This range is similar to other Florida cities, although some cities near the Gulf Coast may experience slightly higher temperatures.
  • St. Augustine receives notable rainfall, with an average of 54 inches annually. This is higher than some inland areas, impacting local humidity levels.
  • The average number of sunny days in St. Augustine is around 265 per year, providing ample opportunities for outdoor activities. This is comparable to cities like Tampa and Fort Lauderdale.

Overall, while St. Augustine shares similar temperature averages with other Florida cities, its unique coastal location, humidity levels, and rainfall contribute to its distinct climate profile.

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