St Petersburg (FL) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit St Petersburg.
Climate overview of St Petersburg
Temperatures in St Petersburg, Florida, United States of America, vary greatly throughout the year. August is the hottest month at 32°C (90°F), while January is the coldest at 21°C (70°F).
The city receives considerable rainfall, with around 1367 mm (54 in) annually. August is the wettest month. It has a distinct rainy season from June to September, with very warm summers and pleasant winters. May is the sunniest month, averaging 10.4 hours of sunshine per day.
St Petersburg Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in St Petersburg - and find the best time to visit.
Monthly Temperature in St Petersburg
The climate in St Petersburg is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a very warm 32°C (90°F) in August to a pleasant 21°C (70°F) in the coolest month, January.
Nights vary from 26°C (79°F) in August to around 12°C (54°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in St Petersburg
St Petersburg has a notably wet climate with abundant precipitation, recording 1367 mm (54 in) of rainfall per year. The climate in St Petersburg shows significant variation throughout the year. Expect heavy rainfall in August, the wettest month, with an average of 254 mm (10 in) of precipitation over 22 rainy days.
In contrast, the driest month December offers drier and sunnier days, with around 41 mm (1.6 in) of rainfall over 6 rainy days. For more details, please visit our St Petersburg Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in St Petersburg
For those who appreciate different seasons, St Petersburg serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 10.4 hours of sunshine daily, and embrace the darker days in December, offering only 6.1 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Best Time to Visit St Petersburg
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: January, February, March, April, October, November and December
- Warmest weather: June, July, August and September
- Most sunshine: April and May
- Wettest months: June, July, August and September, when rainfall is highest.
- Seasonal pattern: A distinct rainy season from June to September, with very warm summers and pleasant winters
Frequently asked questions about the climate in St Petersburg
What is the best time to visit St Petersburg?
January, February, March, April, October, November and December typically offer the most optimal weather in St Petersburg. In contrast, June, July, August and September tend to have less optimal conditions. St Petersburg has a distinct rainy season from June to September, with very warm summers and pleasant winters.
What temperatures can I expect in St Petersburg?
Daytime highs range from 21°C (70°F) in January to 32°C (90°F) in August. Nighttime lows range from 12°C (54°F) to 26°C (79°F). Temperatures vary considerably through the year.
How much rain does St Petersburg get?
Annual rainfall is around 1367 mm (54 in). August is the wettest month with 254 mm (10 in), while December is the driest with 41 mm (1.6 in).
How sunny is St Petersburg?
St Petersburg receives around 2,993 hours of sunshine per year. May is the sunniest month with 312 hours, while December is the cloudiest with just 184 hours. Overall, St Petersburg enjoys abundant sunshine.
St Petersburg 3-Day Forecast
St Petersburg (FL) 3-Day Forecast
St Petersburg on the map
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