St Petersburg, Russia: Annual Weather Averages
July is the hottest month in St Petersburg with an average temperature of 64°F (18°C) and the coldest is January at 22°F (-6°C) with the most daily sunshine hours at 9 in July. The wettest month is October with an average of 100mm of rain. The best month to swim in the sea is in July when the average sea temperature is 66°F (19°C).
Average Temperature: St Petersburg
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | -6 | -6 | -2 | 5 | 12 | 16 | 18 | 16 | 11 | 6 | 1 | -5 |
| °F | 21 | 21 | 28 | 41 | 54 | 61 | 64 | 61 | 52 | 43 | 34 | 23 |
Average High/Low Temperature: St Petersburg
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °C | -2 | -2 | 1 | 8 | 16 | 20 | 22 | 20 | 14 | 8 | 2 | -3 |
| High °F | 28 | 28 | 34 | 46 | 61 | 68 | 72 | 68 | 57 | 46 | 36 | 27 |
| Low °C | -9 | -9 | -5 | 1 | 7 | 11 | 14 | 12 | 8 | 4 | -1 | -7 |
| Low °F | 16 | 16 | 23 | 34 | 45 | 52 | 57 | 54 | 46 | 39 | 30 | 19 |
Average Rainfall: St Petersburg
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 40 | 30 | 40 | 30 | 40 | 60 | 70 | 90 | 60 | 100 | 80 | 50 |
| Days | 11 | 7 | 11 | 12 | 14 | 16 | 16 | 15 | 16 | 20 | 14 | 10 |
Average Daily Sunshine Hours: St Petersburg
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hours | 0 | 2 | 4 | 5 | 8 | 9 | 9 | 8 | 5 | 2 | 1 | 0 |
Average Sea Temperature: St Petersburg
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | -0 | -0 | 0 | 1 | 5 | 11 | 19 | 18 | 14 | 9 | 5 | 3 |
| °F | 32 | 32 | 32 | 34 | 41 | 52 | 66 | 64 | 57 | 48 | 41 | 37 |