Temperature
Cold by day, cold at night.
Cold weather is the main limitation.
Cold by day, cold at night.
Several rainy days. About 13 wet days, the highest monthly average.
Sunshine is limited, with cloud often dominating.
Humidity is rarely noticeable in the cool air.
In October, afternoons feel about 38° and nights feel near 33°.
Mostly cloudy skies this month.
Breezy October days can feel brisker in open spots.
October late afternoons are around 45°F, easing to about 43°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 26 | 18 | 1.7 | 12 | 0.7 | 88 |
| Feb | 26 | 17 | 1.3 | 10 | 1.9 | 86 |
| Mar | 34 | 22 | 1.4 | 9 | 4.0 | 80 |
| Apr | 46 | 32 | 1.5 | 9 | 6.0 | 73 |
| May | 57 | 42 | 2.0 | 10 | 8.4 | 70 |
| Jun | 65 | 50 | 2.6 | 11 | 9.2 | 73 |
| Jul | 71 | 57 | 2.7 | 12 | 8.6 | 76 |
| Aug | 68 | 55 | 3.2 | 12 | 6.9 | 79 |
| Sep | 59 | 47 | 2.1 | 11 | 4.3 | 83 |
| Oct | 46 | 38 | 2.6 | 13 | 2.3 | 86 |
| Nov | 37 | 31 | 2.3 | 13 | 0.9 | 88 |
| Dec | 30 | 24 | 2.0 | 13 | 0.4 | 88 |
Similar climates
Want a side-by-side climate view? Compare St. Petersburg with Warsaw.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology