Temperature
Warm by day, warm at night.
Warm days and plenty of sun. Storm-season showers are the main drawback.

Warm by day, warm at night.
Several rainy days, mostly brief and on-and-off. About 7 wet days, more than in most months.
Plenty of sun this month.
Warm days, with humid periods.
In October, afternoons feel about 78° and nights feel near 73°.
Partly cloudy skies this month.
October's typical breeze keeps the air from feeling as stagnant.
October late afternoons are around 78°F, and early evening stays near 77°F.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 65 | 57 | 2.6 | 6 | 8.8 | 77 |
| Feb | 66 | 59 | 2.2 | 6 | 9.3 | 79 |
| Mar | 69 | 63 | 2.4 | 6 | 10.2 | 76 |
| Apr | 74 | 68 | 1.8 | 6 | 11.6 | 75 |
| May | 80 | 74 | 2.1 | 6 | 12.2 | 75 |
| Jun | 83 | 78 | 5.0 | 15 | 11.5 | 78 |
| Jul | 84 | 80 | 5.2 | 19 | 11.5 | 79 |
| Aug | 85 | 80 | 5.8 | 20 | 11.2 | 79 |
| Sep | 84 | 78 | 5.3 | 15 | 10.1 | 79 |
| Oct | 79 | 73 | 2.3 | 7 | 9.8 | 75 |
| Nov | 73 | 65 | 1.5 | 4 | 9.3 | 76 |
| Dec | 68 | 60 | 2.2 | 6 | 8.6 | 78 |
Similar climates
Want a side-by-side climate view? Compare St. Petersburg with Hong Kong.
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: Aug 26, 2026
Data & methodology