The temperatures in Saint Petersburg in August are comfortable with low of 13°C and and high up to 21°C.
You can expect about 3 to 8 days of rain in Saint Petersburg during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Saint Petersburg in August 2025.
If you’re planning to visit Saint Petersburg in the near future, we highly recommend that you review the 14 day weather forecast for Saint Petersburg before you arrive.
Temperatures
21° / 13°
Rainy Days
6
Snowy Days
0
Dry Days
25
Rainfall
101
mm
Sun Hours
9.4
Hrs
