Average annual temperature is 13.6 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: -8.7 °C
Number of sunny days: 188 days
Number of rainy days: 169 days
Number of snow days: 8 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) | 20.0 | 22.9 | 24.2 | 30.8 | 28.7 | 31.7 | 36.3 | 34.7 | 36.0 | 28.4 | 22.8 | 18.4 |
| Average daytime temperature (°C) | 10.2 | 13.4 | 14.0 | 22.3 | 22.6 | 26.4 | 32.1 | 30.9 | 26.4 | 20.8 | 14.0 | 11.2 |
| Average temperature (°C) | 5.4 | 7.1 | 7.1 | 14.1 | 15.7 | 19.6 | 24.7 | 23.6 | 19.5 | 14.3 | 7.0 | 5.3 |
| Average night temperature (°C) | 2.0 | 2.1 | 2.1 | 7.1 | 9.7 | 13.4 | 18.2 | 17.8 | 14.1 | 9.2 | 1.8 | 1.5 |
| Absolute minimum temperature (°C) | -4.8 | -8.7 | -7.1 | -0.8 | 1.2 | 8.1 | 13.5 | 11.1 | 8.3 | 0.7 | -5.1 | -4.5 |
| 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 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 4.9 | 7.0 | 7.7 | 9.1 | 10.1 | 10.4 | 12.2 | 10.9 | 9.0 | 7.7 | 7.5 | 5.1 |
| Precipitation (mm) | 44 | 62 | 78 | 68 | 86 | 83 | 42 | 28 | 93 | 23 | 55 | 77 |
| Sunny days | 10 | 15 | 13 | 19 | 18 | 15 | 10 | 10 | 17 | 18 | 24 | 19 |
| Rainy days | 19 | 12 | 14 | 11 | 13 | 15 | 21 | 21 | 13 | 13 | 6 | 11 |
| Snow days | 2 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Petersburg during the most sunny months:
The largest precipitation sum in Petersburg is at