St. Petersburg, Florida – Climate and Average Weather Year Round: A Comprehensive Guide

St. Petersburg, a beautiful city in Florida, is known for its pleasant climate year-round, which makes it a popular destination for visitors and residents alike.

Temperatures generally range from a mild 51°F in the winter to a warm 91°F in the summer, providing ideal conditions for outdoor activities throughout the year.

In addition to its warm temperatures, St. Petersburg experiences notable seasonal changes in wind and precipitation.

November is the windiest month, with average wind speeds reaching 10.6 miles per hour, while the summer months of May through September bring calmer winds and higher humidity.

The climate also features a rainy season, particularly in the summer months, offering about 3 to 5 days of sunshine during that period.

With its favorable weather, the broader Tampa-St. Petersburg-Clearwater metro area remains a hub for tourists.

St. Petersburg, backed by historical data, consistently provides a welcoming environment.

Whether flying into St. Petersburg-Clearwater International Airport or exploring nearby Clearwater, the region’s climate appeals to those seeking sun-filled days and mild evenings in the United States.

Average Temperature In St. Petersburg, Florida

The average temperature in St. Petersburg, Florida varies throughout the year, creating a range of warm and mild weather conditions.

Monthly Temperature Averages

Month High Temp (°F) Low Temp (°F)
January 70 55
February 72 57
March 76 61
April 81 66
May 86 72
June 89 77
July 90 78
August 90 78
September 88 76
October 83 70
November 77 63
December 72 57

Warmest and Coldest Months

August is the warmest month, with an average high temperature of 90°F. The coldest month is January, with an average low temperature of 55°F.

Annual Temperature Variations

The annual weather averages reveal that St. Petersburg enjoys a relatively mild climate. Throughout the year, temperatures generally stay between 55°F and 90°F.

These temperature variations create a pleasant environment that’s suitable for outdoor activities almost year-round.

Climate and Weather Patterns

Monthly temperature fluctuations are typical, contributing to the city’s unique climate.

June through September tends to be the hottest period, with highs frequently reaching around 90°F. For those who prefer cooler weather, the winter months provide milder conditions.

For more details on temperature trends, visit Temperature.

Average Precipitation In St. Petersburg, Florida

St. Petersburg, Florida experiences significant variations in rainfall throughout the year but does not get any snow. Rainfall is most frequent from June to September, while November is the driest month.

Average Rainfall In St. Petersburg, Florida

St. Petersburg receives about 51 inches of rain annually.

The rainy season runs from June to September, with July being the wettest month, averaging 20.7 rainy days.

August also experiences high rainfall, with an average of 254 mm of precipitation.

In contrast, November is the driest month, with only 1.48 inches of rain on average, and precipitation occurring on just 15.4% of the days.

Having high humidity levels in the summer makes the heat more intense. Winter months are drier but still humid, though temperatures remain mild. The rainfall pattern provides a lush environment, contributing to the region’s subtropical climate.

Average Snow In St. Petersburg, Florida

Unlike northern regions, St. Petersburg does not experience snow.

The subtropical climate keeps temperatures well above freezing even in the coolest months.

December through February are the coolest months, but with average temperatures still comfortably above 50°F, snow is non-existent.

This lack of snow contrasts with other parts of the country where snow and ice are common.

Because of its warm climate and absence of snow and ice, residents and visitors can enjoy outdoor activities year-round without winter-related disruptions.

Average Sun In St. Petersburg, Florida

St. Petersburg enjoys plenty of sunshine throughout the year. This provides residents and visitors with an abundance of sunny days and ample daylight, making it a great spot for outdoor activities.

Average Daily Shortwave Solar Energy In St. Petersburg, Florida

St. Petersburg receives significant solar energy, with variations across different months.

The average daily shortwave solar energy peaks in May, reaching up to 6.9 kWh.

During the winter months, it drops but still remains relatively high at around 4.5 kWh in December.

Shortwave solar energy measures the amount of sunlight hitting a surface, and in St. Petersburg, this translates to about 3,000 hours of sunshine yearly.

The clear part of the year extends from October to June, providing plentiful daylight for activities.

Average Humidity In St. Petersburg, Florida

Humidity in St. Petersburg, Florida, is typically high throughout the year.

Relative humidity averages range from 74% in January to 79% in August. This reflects the moist air prevalent in the area due to its proximity to the Gulf of Mexico.

The dew point also plays a significant role.

In the summer months, it often exceeds 70°F, making the air feel very humid. During the winter, the dew point remains lower, usually in the 50s°F.

Monthly average humidity levels:

Month Average Humidity (%)
January 74%
April 75%
July 78%
August 79%
October 76%

The high humidity levels contribute to the overall warmth felt throughout the year.

Frequent thunderstorms in summer also increase moisture in the air, keeping relative humidity high.

Winter months are milder in terms of humidity but still, levels can remain above 70% on average.

Average Wind In St. Petersburg, Florida

St. Petersburg, Florida, experiences varying wind speeds throughout the year.

The windiest month is usually March, with average wind speeds reaching around 11.8 mph.

During the year, typical wind speeds range from 6.6 mph in September to 10 mph in February.

Wind directions in St. Petersburg are primarily from the east and northeast. However, in the summer months, the wind often comes from the west.

To illustrate the average wind speeds, see the table below:

Month Average Wind Speed (mph)
January 9.9
February 10.0
March 11.8
April 9.6
May 7.6
June 7.1
July 6.8
August 6.9
September 6.6
October 7.3
November 8.3
December 9.3

Average Air Quality In St. Petersburg, Florida

St. Petersburg, Florida typically enjoys good air quality throughout the year. The Air Quality Index (AQI) is often in the “Good” category, which means the air poses little or no risk to health.

Air Quality Index Breakdown

  • Good (0-50 AQI): Ideal air quality for outdoor activities.
  • Moderate (51-100 AQI): Acceptable, but some pollutants may pose a minor risk.

Real-Time Air Quality Monitoring

Real-time monitoring data can be accessed on various platforms. For instance, IQAir provides consistent updates, letting residents track AQI levels and weather conditions.

Weather and Pollution Data

In addition to AQI, other key metrics include:

  • Temperature: Commonly ranges from 86°F to 80.6°F during the summer.
  • Wind: Affects pollutant dispersal, contributing to better or worse air quality.
  • Pressure: Low pressure can lead to poor visibility and higher concentrations of pollutants.

Health Precautions

Even on days when the air quality is moderately acceptable, it’s wise to limit prolonged outdoor exertion.

Further updates and forecasts can be found through platforms like AccuWeather.

Additional Resources

For those interested in a more detailed and interactive experience, AQICN offers visual maps that provide a comprehensive look at real-time air pollution data.

Topography Of St. Petersburg, Florida

St. Petersburg, Florida, lies on a peninsula between Tampa Bay and the Gulf of Mexico. The city features a relatively flat landscape with low elevations.

The highest points in the area reach only about 61 feet above sea level.

The terrain in and around the city mainly consists of coastal plains. These plains are characterized by sandy soils, which are typical for most of the region.

Water bodies such as lakes and canals are common in the city, enhancing its beauty and providing recreational opportunities.

The average elevation plays a significant role in the city’s susceptibility to flooding, especially during the wet, hurricane season.

Coastal erosion and rising sea levels also pose challenges to maintaining the city’s terrain.

Nearby parks and natural reserves offer glimpses of the local flora and fauna. These areas include mangroves and wetlands, which thrive in the low-lying regions.

For those interested in exploring the city’s topography, interactive topographic maps can be useful tools.

These maps highlight various elevation points and geographical features.

Extreme Weather Events That Occur In St. Petersburg, Florida

St. Petersburg experiences a variety of extreme weather events. The city is prone to hurricanes, which bring intense rain and strong winds.

For instance, Hurricane Debby recently hit the area, dropping over 9.89 inches of rainfall in just 48 hours. This amount surpassed St. Petersburg’s August average of 8.39 inches.

Storm surge warnings are also common, especially during hurricanes. These warnings indicate the danger of life-threatening waters moving inland.

For example, a storm surge warning was issued for St. Petersburg, Clearwater, and Largo.

Tornadoes occasionally affect the area, causing significant damage.

A recent event saw six tornadoes, with some reaching winds of up to 125 mph. Meanwhile, an EF-0 tornado recently affected an apartment building in St. Petersburg with winds up to 80 mph.

Electrical storms are frequent due to the warm and humid climate. These storms can be dangerous, with lightning strikes potentially causing injuries or fatalities.

The city sees numerous lightning events each year, making it important to stay indoors during such conditions.

In winter, cold fronts can bring sudden drops in temperature, though rarely below freezing.

Occasionally, hail accompanies these fronts, with ice pellets damaging property and vegetation.

Best Time Of The Year To Visit St. Petersburg, Florida

The best time to visit St. Petersburg, Florida, largely depends on your weather preferences and what activities you enjoy. Each season offers something unique, from warm spring days to cooler winter months.

What Is St. Petersburg, Florida Like In Spring

Spring in St. Petersburg, from March to May, is a sought-after time to visit.

Temperatures typically range between 60°F and 80°F. The weather is comfortably warm, ideal for outdoor activities and events.

Many spring festivals and outdoor events take place during these months. Visitors can enjoy the city’s vibrant arts scene and numerous parks.

Hotel rates are also more affordable compared to the peak summer season, making it a good time for budget-conscious travelers.

Rainfall is moderate during spring, so occasional showers can be expected, but it usually does not disrupt plans.

This season offers a nice balance of pleasant weather, manageable crowds, and a variety of activities.

What Is St. Petersburg, Florida Like In Summer

Summer in St. Petersburg runs from June through August and brings hot, humid conditions.

Daytime temperatures often reach the high 80s to low 90s°F. The evenings remain warm with temperatures in the 70s°F.

This is the wettest time of year, with frequent afternoon thunderstorms. Rainfall can reach several inches per month.

Despite the rain, this time of year boasts plenty of sunshine and beach weather.

Summer is a busy season with tourists flocking to the area’s beaches and waterfront attractions.

Be prepared for higher prices and larger crowds.

The Gulf of Mexico’s warm waters are perfect for swimming and water sports during these months.

What Is St. Petersburg, Florida Like In Fall

Fall, from September to November, sees a gradual decrease in temperature and humidity.

September can still be quite warm, with highs in the mid-80s°F, but temperatures comfortably drop to the low 70s°F by November.

Fall is a great time for visiting local attractions without the summer crowds. This season experiences fewer tourists, making it easier to enjoy the city’s parks, museums, and beaches.

Rainfall decreases compared to the summer, though some showers are still possible.

October and November are particularly pleasant, with mild weather and clear skies. The sea remains warm enough for swimming, and the city hosts various fall festivals and outdoor events.

What Is St. Petersburg, Florida Like In Winter

Winter, from December to February, brings cooler but mild temperatures. Highs range from the mid-60s to low 70s°F, while lows can drop to the upper 40s°F at night.

Despite being cooler, winter days are mostly sunny.

This season offers a break from the intense summer heat, making it perfect for outdoor activities like hiking and exploring the many nature trails.

The holiday season adds a festive touch to the city, with events and decorations enhancing the experience.

Water temperatures are cooler, especially in January and February, which may not be ideal for swimming.

Winter is also a popular time for golfing and other activities that benefit from the cooler weather.

Accommodations can fill up quickly during this season, so early booking is advised.

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