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Saint Petersburg Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Saint Petersburg.
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Climate overview of Saint Petersburg
There are over 160 cloudy days per year and the average annual rainfall exceeds 600 mm (24 in). The average annual relative humidity is 78 percent.
Saint Petersburg Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Saint Petersburg - and find the best time to visit.
Monthly Temperature in Saint Petersburg
The climate in Saint Petersburg is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 23°C (73°F) in July to a very cold -2°C (28°F) in the coolest month, January.
Nights vary from 13°C (55°F) in July to around -9°C (16°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Saint Petersburg
Generally, Saint Petersburg receives mid-range precipitation levels, with 726 mm (29 in) annually. Saint Petersburg offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month August (80 mm (3.1 in)) and the driest month March (42 mm (1.7 in)) is not too significant. For more details, please visit our Saint 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 Saint Petersburg
For those who appreciate different seasons, Saint Petersburg serves as an ideal destination. Expect longer, more sun-filled days in June with an average of 9.2 hours of sunshine daily, and embrace the darker days in December, offering only 0.4 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Saint Petersburg by Month
The relative humidity is high throughout the year in Saint Petersburg.
The city experiences its highest humidity in December, reaching 87%. In May, the humidity drops to its lowest level at 65%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Saint Petersburg
For comfortable weather, consider visiting Saint Petersburg in June, July and August. Conditions are usually least favourable in January, February, March, April, October, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
very cold
Feb
very cold
Mar
cold
Apr
cold
May
good
Jun
excellent
Jul
excellent
Aug
excellent
Sep
good
Oct
cold
Nov
cold
Dec
cold
- Best overall: June, July and August
- Warmest weather: July
- Most sunshine: June and July
- Fewer rainy days: March, April, May, June and July
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -9°C (16°F).
Frequently asked questions about the climate in Saint Petersburg
What is the best time to visit Saint Petersburg?
June, July and August typically offer the most optimal weather in Saint Petersburg. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Saint Petersburg has warm summers and very cold winters.
What temperatures can I expect in Saint Petersburg?
Daytime highs range from -2°C (28°F) in January to 23°C (73°F) in July. Nighttime lows range from -9°C (16°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Saint Petersburg get?
Annual rainfall is around 726 mm (29 in). August is the wettest month with 80 mm (3.1 in), while March is the driest with 42 mm (1.7 in).
How sunny is Saint Petersburg?
Saint Petersburg receives around 1,629 hours of sunshine per year. June is the sunniest month with 276 hours, while December is the cloudiest with just 12 hours.
Saint Petersburg 3-Day Forecast
Saint Petersburg on the map
Saint Petersburg is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
Sochi
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18°C (64°F) Gelendzhik18°C (64°F) Moscow
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