Climate averages 1991–2020
Saint Petersburg weather
in July.
A mild, moderately wet month: the warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a mild month in Saint Petersburg: daytime highs average 21.5°C and nights cool to about 14.6°C. By daytime temperature it is the warmest month of the year.
Expect about 65 mm of rain on roughly 11 days, which makes July a moderately wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 17 h 59 min on an average July day.
The nearest other city in this atlas is Peterhof (24 km away). In July its highs average 20.4°C, 1.1°C cooler than Saint Petersburg, with 62 mm of rain.
Among the 236 cities listed in Russia, Saint Petersburg ranks joint 211th of 236 for the warmest July highs and joint 86th of 236 for the driest July (rainfall, lowest first). The mean July high of those 236 cities is 24.1°C; Saint Petersburg is 2.7°C cooler than that mean.
From July to August, average highs fall by 1.7°C to 19.7°C, and monthly rainfall rises from 65 mm to 70 mm.
The annual picture
July in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Saint Petersburg climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -3.8°C-7.7°C | -7.7°C | 41 | 11.2 | 6.87 h |
| February | -4.0°C-8.4°C | -8.4°C | 32 | 9.2 | 9.19 h |
| March | 0.3°C-5.3°C | -5.3°C | 36 | 9.1 | 11.812 h |
| April | 7.1°C-0.1°C | -0.1°C | 39 | 9.3 | 14.515 h |
| May | 14.0°C6.1°C | 6.1°C | 50 | 9.2 | 17.117 h |
| June | 18.5°C11.1°C | 11.1°C | 64 | 11.4 | 18.719 h |
| July, selected | 21.5°C14.6°C | 14.6°C | 65 | 11.1 | 18.018 h |
| August | 19.7°C13.5°C | 13.5°C | 70 | 11.2 | 15.616 h |
| September | 14.4°C9.1°C | 9.1°C | 55 | 11.0 | 13.013 h |
| October | 7.3°C3.5°C | 3.5°C | 62 | 12.3 | 10.210 h |
| November | 1.6°C-1.4°C | -1.4°C | 56 | 12.0 | 7.68 h |
| December | -1.6°C-5.0°C | -5.0°C | 49 | 12.2 | 6.16 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
July in nearby cities
- Peterhof in JulyRussia · 24 kmHigh 20.4°C · Low 14.4°C · 62 mm rain
- Pushkin in JulyRussia · 25 kmHigh 22.0°C · Low 13.8°C · 87 mm rain
- Kolpino in JulyRussia · 26 kmHigh 22.1°C · Low 14.3°C · 87 mm rain
- Gatchina in JulyRussia · 42 kmHigh 21.8°C · Low 13.6°C · 80 mm rain
- Vyborg in JulyRussia · 121 kmHigh 21.2°C · Low 14.6°C · 64 mm rain
- Velikiy Novgorod in JulyRussia · 167 kmHigh 22.4°C · Low 15.6°C · 86 mm rain
- Lappeenranta in JulyFinland · 170 kmHigh 21.5°C · Low 14.2°C · 73 mm rain
- Kouvola in JulyFinland · 224 kmHigh 21.5°C · Low 14.1°C · 66 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Saint Petersburg) is explained once on the Saint Petersburg year overview and on the Sources, method and limits page.