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Weather in St. Petersburg for August 2025

Your guide to St. Petersburg weather in August - trends and predictions

  • In general, the average temperature in St. Petersburg at the beginning of August is 31.7 °F. As the month progressed, temperatures tended to slightly increase, reaching an average of 32 °F by the end of August.

  • St. Petersburg experiences an exceptionally high level of rainfall in August, with more than 24 rainy days on average.

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Average dry days
5
Dry days
Average rainy days
26
Rainy days
Average snowy days
0
Snow days
Average temperatures
33°/27°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
70 %
Avg humidity

St. Petersburg in August average weather

Move between months or click on a day
July
September
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
32°
2
Moderate or heavy rain shower
32°
3
Patchy rain possible
33°
4
Heavy rain at times
31°
5
Heavy rain at times
31°
6
Moderate or heavy rain shower
31°
7
Moderate or heavy rain shower
32°
8
Patchy rain possible
32°
9
Overcast
33°
10
Patchy rain possible
32°
11
Patchy rain possible
32°
12
Heavy rain at times
32°
13
Moderate rain at times
33°
14
Moderate or heavy rain shower
32°
15
Moderate rain at times
33°
16
Moderate rain at times
32°
17
Moderate or heavy rain shower
31°
18
Moderate or heavy rain shower
31°
19
Patchy rain possible
32°
20
Moderate rain at times
31°
21
Patchy rain possible
32°
22
Overcast
31°
23
Patchy rain possible
33°
24
Moderate or heavy rain shower
33°
25
Partly cloudy
32°
26
Partly cloudy
33°
27
Partly cloudy
32°
28
Patchy rain possible
33°
29
Light rain shower
32°
30
Torrential rain shower
31°
31
Moderate or heavy rain shower
31°
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Temperatures trend during August in St. Petersburg

See the weather trend as well as the moving average line

August weather day by day

Click on a date for more information
July September
Date Weather Temperatures Rain UV More
Aug. 1 Patchy rain possible
Patchy rain possible
 32° /27° 3.3 mm 7
Aug. 2 Moderate or heavy rain shower
Moderate or heavy rain shower
 32° /27° 8.4 mm 7
Aug. 3 Patchy rain possible
Patchy rain possible
 33° /26° 3.6 mm 7
Aug. 4 Heavy rain at times
Heavy rain at times
 31° /25° 30.2 mm 7
Aug. 5 Heavy rain at times
Heavy rain at times
 31° /27° 14.4 mm 7
Aug. 6 Moderate or heavy rain shower
Moderate or heavy rain shower
 31° /28° 11.2 mm 7
Aug. 7 Moderate or heavy rain shower
Moderate or heavy rain shower
 32° /28° 3.3 mm 7
Aug. 8 Patchy rain possible
Patchy rain possible
 32° /28° 0.7 mm 7
Aug. 9 Overcast
Overcast
 33° /28° 0.8 mm 8
Aug. 10 Patchy rain possible
Patchy rain possible
 32° /28° 1.9 mm 7
Aug. 11 Patchy rain possible
Patchy rain possible
 32° /28° 0.2 mm 8
Aug. 12 Heavy rain at times
Heavy rain at times
 32° /28° 1.3 mm 8
Aug. 13 Moderate rain at times
Moderate rain at times
 33° /28° 2.9 mm 8
Aug. 14 Moderate or heavy rain shower
Moderate or heavy rain shower
 32° /28° 2 mm 8
Aug. 15 Moderate rain at times
Moderate rain at times
 33° /28° 0.9 mm 7
Aug. 16 Moderate rain at times
Moderate rain at times
 32° /27° 3 mm 7
Aug. 17 Moderate or heavy rain shower
Moderate or heavy rain shower
 31° /26° 6.8 mm 8
Aug. 18 Moderate or heavy rain shower
Moderate or heavy rain shower
 31° /26° 5.1 mm 8
Aug. 19 Patchy rain possible
Patchy rain possible
 32° /27° 1 mm 8
Aug. 20 Moderate rain at times
Moderate rain at times
 31° /27° 2.5 mm 7
Aug. 21 Patchy rain possible
Patchy rain possible
 32° /27° 0.2 mm 8
Aug. 22 Overcast
Overcast
 31° /26° 3.6 mm 7
Aug. 23 Patchy rain possible
Patchy rain possible
 33° /24° 0.5 mm 7
Aug. 24 Moderate or heavy rain shower
Moderate or heavy rain shower
 33° /26° 3.6 mm 7
Aug. 25 Partly cloudy
Partly cloudy
 32° /26° 1.2 mm 8
Aug. 26 Partly cloudy
Partly cloudy
 33° /26° 1.3 mm 8
Aug. 27 Partly cloudy
Partly cloudy
 32° /26° 2.5 mm 8
Aug. 28 Patchy rain possible
Patchy rain possible
 33° /26° 3.7 mm 8
Aug. 29 Light rain shower
Light rain shower
 32° /27° 5.6 mm 7
Aug. 30 Torrential rain shower
Torrential rain shower
 31° /26° 38 mm 8
Aug. 31 Moderate or heavy rain shower
Moderate or heavy rain shower
 31° /27° 16 mm 7
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Important Notice
Our weather forecast for St. Petersburg in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the St. Petersburg forecast closer to your planned date for the most up-to-date weather information.

St. Petersburg in August - FAQ

What are the expected maximum and minimum temperatures in St. Petersburg during August?
During August, expect a variety of temperatures with highs around 33° and lows near 27°, suitable for diverse activities and preferences.
How much rainfall should be expected in St. Petersburg during August?
Significant rainfall exceeding 190.4 mm is expected in St. Petersburg during August, occurring over more than 26 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in St. Petersburg during August?
The average wind speed in St. Petersburg during August is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

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Location coordinates Where is St. Petersburg?

Get accurate weather forecasts for St. Petersburg, located at latitude 27.771 and longitude -82.679. Stay updated with localized weather information tailored for St. Petersburg.

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