Weather in Saint Petersburg
Live weather and 7-day forecast for Saint Petersburg, Russia, followed by what to expect in each month of the year.
Sunrise 07:55 Sunset 17:33 Daylight 9h 38m Sun times →
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Forecast data from Open-Meteo
Climate in Saint Petersburg: month by month
Averaged over 2023–2025, the warmest month in Saint Petersburg is July, with highs around 23 °C (74 °F) and lows around 15 °C (59 °F); the coolest is February, with highs around -3 °C (27 °F) and lows around -8 °C (18 °F). Average lows fall below freezing in November–March.
Saint Petersburg gets about 753 mm (30 in) of precipitation a year. The wettest month is July (103 mm over about 17 days) and the driest is February (35 mm).
| Month | Avg high | Avg low | Precipitation (mm) | Wet days | Daylight |
|---|---|---|---|---|---|
| January | -2° | -8° | 61 | 15 | 6h 43m |
| February | -3° | -8° | 35 | 9 | 9h 11m |
| March | 4° | -3° | 53 | 14 | 11h 42m |
| April | 10° | 0° | 50 | 11 | 14h 31m |
| May | 16° | 6° | 45 | 10 | 17h 6m |
| June | 20° | 11° | 77 | 13 | 18h 47m |
| July | 23° | 15° | 103 | 17 | 18h 4m |
| August | 22° | 13° | 83 | 15 | 15h 41m |
| September | 19° | 11° | 43 | 8 | 12h 57m |
| October | 9° | 3° | 77 | 11 | 10h 15m |
| November | 3° | -1° | 68 | 17 | 7h 36m |
| December | 0° | -4° | 58 | 17 | 5h 58m |
Averages of daily values from the ERA5 reanalysis for 2023–2025 at Saint Petersburg's coordinates (model elevation 18 m), via Open-Meteo (CC BY 4.0). Three recent years are not a 30-year climate normal; reanalysis smooths local extremes and tends to count more light-rain days than a rain gauge would. Daylight is sunrise to sunset on the 15th of each month.
Weather questions for Saint Petersburg
What is the hottest month in Saint Petersburg?
July, with average highs of 23 °C (74 °F) and lows of 15 °C (59 °F) over 2023–2025. The coolest month is February, averaging -3 °C (27 °F) by day and -8 °C (18 °F) at night.
What is the rainiest month in Saint Petersburg?
July, with about 103 mm of precipitation on roughly 17 days. The driest month is February (35 mm), and the yearly total is around 753 mm.
When is the weather mildest in Saint Petersburg?
Going by the averages, June–September are the months with average daytime highs between 18 °C and 27 °C (64–81 °F) — warm but not hot. July is the month most likely to bring rain.
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About this forecast
The live forecast comes from Open-Meteo, which blends models from national weather services and is fetched fresh in your browser on each visit. Times in the hourly outlook are Saint Petersburg local time (Europe/Moscow).