Measurements:
°C
°F
St. Petersburg
100°F
E 11 mph
Feels like: 112°F
Precip: 3%
World Resorts USA St. Petersburg Weather August Weather in St. Petersburg

St. Petersburg Weather: August

Average Day Temperature: 91.5°F
Average Night Temperature: 85.9°F
Sea Water Temperature: 91.6°F
Number of Sunny Days: 7 days
Sunshine Hours: 12.7 - 13.4 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.9 in

Air Temperature in August, °F

Select Year: 2025 2024 2023

The highest day temperature in August 2025 was 99°F. The lowest night temperature was 79°F. The average values for day and night temperatures during August were 92.3°F и 84.6°F respectivly.

St. Petersburg Water Sea Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for St. Petersburg was 93.0°F. The maximum and minimum values were 90.0°F and 96.0°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in August are cloudy but you can also expect sunny or gloomy days.

Precipitation Totals in August, in

Precipitation total in August for St. Petersburg is 1.9 in. It makes august one of the most rainy months of the year.

Wind Speed in August, mph

The average wind speed in August is 9.4 mph. It makes August one of the most windless months of the year for St. Petersburg.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for St. Petersburg in August is 7.1 hours.

Best Time to Visit St. Petersburg
The most sunny months:
May 20 days
March 20 days
April 20 days
The most warm months:
July 91.7 °F
August 91.5 °F
June 90.6 °F
Warmest sea temperature:
August 91.6 °F
July 91.3 °F
June 89.1 °F
The most cold months:
January 66.0 °F
February 70.5 °F
December 70.5 °F
The most rainy months:
July 4 days
September 4 days
August 3 days
The most windy months:
April 12 mph
November 12 mph
October 12 mph

St. Petersburg on the Weather Map

USA Resorts:
NAME
Boston +92
Chicago +86
Hawaii +80
Houston +80
Las Vegas +120
Los Angeles +106
Maui +76
Miami +96
Myrtle Beach +96
New York +110
San Diego +96
San Francisco +76
Santa Monica +84
Sarasota +102
Tampa +100
24 Hours Weather Forecast
St. Petersburg
Local time: 15:14
15 jul, wednesday
1800 96°F
E
13 mph
2100 92°F
SE
14 mph
16 jul, thursday
0000 90°F
SE
9 mph
0300 90°F
SE
10 mph
0600 88°F
SE
9 mph
0900 90°F
S
9 mph
1200 92°F
SE
7 mph
1500 94°F
SE
12 mph