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When is the best time to visit St. Petersburg?
In general the best time to visit St. Petersburg is probably July, when the weather is usually great. The hottest months are June, July, August, while the coldest months are January, February, December.
Depending on the activities you want to experience, you may choose different months to visit:
- In general, it’s pleasant to walk and do outdoor activities during June - August.
- If you want to avoid wet weather, then your choice is January, November, December with the lowest chance of rain.
Average weather in St. Petersburg in different months
This is the average weather in St. Petersburg for each month based on historic data:
April, May, June, July usually has good weather. Average maximum temperature reaches +72°F during July.
In January, February, March, August, September, October, November, December the weather is OK. Expect around 66 snowy days, and the precipitation amounts to approximately 33 mm in December.
Climate in St. Petersburg
Here is the detailed breakdown of the climate in St. Petersburg for each month:
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum Temperature | |||||||||||
| +48°F | +46°F | +61°F | +77°F | +91°F | +93°F | +95°F | +95°F | +82°F | +66°F | +54°F | +50°F |
| Average Maximum Temperature | |||||||||||
| +25°F | +25°F | +36°F | +48°F | +59°F | +66°F | +72°F | +68°F | +59°F | +46°F | +36°F | +28°F |
| Minimum Temperature | |||||||||||
| -38°F | -27°F | -9°F | +7°F | +25°F | +34°F | +41°F | +36°F | +27°F | +10°F | -9°F | -18°F |
| Avg. water temperature | |||||||||||
| +36°F | +34°F | +34°F | +38°F | +48°F | +57°F | +76°F | +69°F | +61°F | +54°F | +46°F | +41°F |
| Humidity, % | |||||||||||
| 84 | 81 | 76 | 68 | 64 | 68 | 72 | 76 | 80 | 83 | 85 | 85 |
| Rain, mm | |||||||||||
| 8 | 8 | 11 | 25 | 52 | 75 | 86 | 85 | 54 | 49 | 22 | 11 |
| Snow, mm | |||||||||||
| 30 | 24 | 21 | 11 | 0 | 0 | 0 | 0 | 0 | 8 | 26 | 33 |
| Average wind speed, m/s | |||||||||||
| 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 |
| Sunny Days | |||||||||||
| 2 | 2 | 7 | 8 | 10 | 8 | 7 | 6 | 3 | 3 | 1 | 1 |
| Cloud Days | |||||||||||
| 13 | 13 | 10 | 6 | 5 | 4 | 4 | 6 | 8 | 11 | 12 | 13 |
| Rainy Days | |||||||||||
| 1 | 1 | 3 | 10 | 15 | 16 | 16 | 17 | 18 | 15 | 6 | 2 |
| Snowy Days | |||||||||||
| 15 | 12 | 11 | 6 | 0 | 0 | 0 | 0 | 0 | 3 | 10 | 15 |
Average Temperature
Here are the average maximum and minimum temperatures in St. Petersburg during the whole year:
The hottest month in St. Petersburg is July with average maximum temperature going up to +72°F. The coldest month is January with the lowest temperatures of +16°F.
Water temperature
Here are the water temperatures in St. Petersburg during the whole year:
St. Petersburg achieves its warmest water temperature in July, where the average sea temperature goes up to +66°F in average. Coldest water temperature is in February with +32°F in average.
Humidity
The temperature feels different depending on humidity. Here is how humidity in St. Petersburg looks throughout the year, in %:
The most humid month in St. Petersburg is December with average humidity going up to 85%. The least humid month is May with an average humidity of 64%.
Rain
Amount of rainfall in mm. in St. Petersburg during the whole year based on historical data:
The sunniest and driest month is May with approximately 10 sunny days and a total precipitation of around 52 mm. The rainiest and wettest month is July with approximately 16 rainy days and 86 mm of total precipitation.
Snow
Amount of snow in mm. in St. Petersburg during the whole year based on historical data:
The snowiest month is December with approximately 15 snowy days.
FAQ
Frequently asked questions about the weather in St. Petersburg:
What is the hottest month in St. Petersburg?
The hottest month in St. Petersburg is July with average maximum temperature of +72°F.
What is the coldest month in St. Petersburg?
The coldest month in St. Petersburg is January with minimum temperatures of +16°F.
Is St. Petersburg worth visiting in winter?
Winter in St. Petersburg could be a good time to visit, as the weather is generally ok.
When does it rain the least in St. Petersburg?
if you're looking to visit St. Petersburg when it rains the least, you should plan your trip for July, August, June. During this time, rainfall is rare with the driest month being January with only 8 mm of rain.
Other cities in Russia
Check out the weather for other cities in Russia.
Monthly weather in St. Petersburg
Source of the data
For this page, we’ve looked at the typical weather in St. Petersburg, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.