Average annual temperature is 11.3 °C
Absolute maximum temperature: 32.6 °C
Absolute minimum temperature: -12.1 °C
Number of sunny days: 153 days
Number of rainy days: 199 days
Number of snow days: 13 days
Look at detailed online map of Petersburg
* Weather data for Petersburg United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 14.7 | 20.4 | 18.8 | 27.3 | 31.2 | 32.6 | 31.6 | 30.4 | 31.8 | 27.1 | 17.4 | 14.5 |
| Average daytime temperature (°C) | 5.9 | 9.7 | 9.0 | 17.3 | 21.6 | 25.1 | 28.0 | 26.6 | 23.6 | 17.0 | 9.9 | 7.5 |
| Average temperature (°C) | 2.0 | 2.6 | 3.3 | 10.6 | 14.8 | 19.1 | 22.3 | 20.8 | 18.1 | 12.4 | 5.0 | 3.9 |
| Average night temperature (°C) | -0.8 | -2.1 | -0.7 | 5.2 | 8.6 | 13.9 | 17.7 | 16.3 | 13.6 | 8.7 | 1.3 | 1.3 |
| Absolute minimum temperature (°C) | -7.3 | -12.1 | -7.8 | -3.8 | 1.4 | 9.1 | 14.1 | 12.3 | 8.0 | 0.8 | -7.7 | -5.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 2.7 | 6.3 | 6.2 | 8.5 | 10.8 | 11.1 | 11.7 | 11.1 | 9.0 | 6.4 | 6.4 | 3.5 |
| Precipitation (mm) | 134 | 77 | 120 | 89 | 44 | 92 | 111 | 87 | 20 | 70 | 43 | 65 |
| Sunny days | 10 | 11 | 10 | 15 | 21 | 14 | 7 | 9 | 11 | 16 | 20 | 9 |
| Rainy days | 15 | 16 | 16 | 15 | 10 | 16 | 24 | 22 | 19 | 15 | 9 | 22 |
| Snow days | 6 | 1 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The best time to visit Petersburg during the most sunny months:
The largest precipitation sum in Petersburg is at