Measurements:
°C
°F
St Petersburg
36°F
NE 4 mph
Feels like: 32°F
Precip: 0%
World Resorts Russia St Petersburg Weather August Weather in St Petersburg

St Petersburg Weather: August

Average Day Temperature: 71.1°F
Average Night Temperature: 57.9°F
Sea Water Temperature: 65.1°F
Number of Sunny Days: 12 days
Sunshine Hours: 14.2 - 16.8 hours
Number of Rainy Days: 5 days
Precipitation Totals: 2.7 in

Air Temperature in August, °F

Select Year: 2025 2024 2023

The highest day temperature in August 2025 was 86°F. The lowest night temperature was 45°F. The average values for day and night temperatures during August were 68.9°F и 55.7°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 64.6°F. The maximum and minimum values were 60.8°F and 74.4°F respectively.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during August. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in August, in

Precipitation total in August for St Petersburg is 2.7 in. It makes august the most rainy month of the year.

Wind Speed in August, mph

The average wind speed in August is 7.7 mph. This value is relatively stable throughout the year.

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 9.0 hours.

Best Time to Visit St Petersburg
The most sunny months:
July 14 days
June 13 days
August 12 days
The most warm months:
July 74.1 °F
August 71.1 °F
June 68.4 °F
Warmest sea temperature:
August 65.2 °F
July 64.5 °F
June 58.1 °F
The most cold months:
January 20.5 °F
February 23.3 °F
December 26.0 °F
The most rainy months:
August 5 days
July 4 days
June 4 days
The most windy months:
December 9 mph
November 9 mph
October 9 mph

St Petersburg on the Weather Map

Russia Resorts:
NAME
Adler +52
Anapa +44
Arhipo-Osipovka +46
Dombay +26
Gelendzhik +44
Kabardinka +44
Lazarevskoye +50
Moscow +30
Novorossiysk +44
Seliger +34
Sirius +52
Sochi +54
St Petersburg +36
Yaroslavl +28
Zelenogradsk +34
24 Hours Weather Forecast
St Petersburg
Local time: 09:05
05 dec, friday
1200 36°F
NE
4 mph
1500 36°F
NE
4 mph
1800 36°F
N
4 mph
2100 36°F
N
4 mph
06 dec, saturday
0000 36°F
N
4 mph
0300 36°F
NW
4 mph
0600 36°F
NW
5 mph
0900 36°F
NW
5 mph