Average annual temperature is 14.0 °C
Absolute maximum temperature: 34.5 °C
Absolute minimum temperature: -7.2 °C
Number of sunny days: 184 days
Number of rainy days: 174 days
Number of snow days: 7 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) | 17.1 | 22.4 | 23.9 | 27.8 | 31.8 | 33.4 | 34.2 | 34.5 | 33.8 | 30.4 | 25.5 | 15.5 |
| Average daytime temperature (°C) | 8.4 | 13.0 | 13.1 | 19.3 | 24.0 | 28.0 | 30.4 | 29.5 | 27.2 | 20.6 | 13.7 | 9.8 |
| Average temperature (°C) | 4.4 | 6.2 | 6.8 | 12.6 | 17.6 | 21.9 | 24.7 | 23.8 | 21.0 | 15.0 | 7.9 | 5.3 |
| Average night temperature (°C) | 1.5 | 1.6 | 2.3 | 7.2 | 12.1 | 16.7 | 20.2 | 18.9 | 15.9 | 10.8 | 3.9 | 1.9 |
| Absolute minimum temperature (°C) | -5.7 | -7.2 | -6.2 | 0.7 | 3.2 | 11.6 | 16.4 | 13.5 | 11.6 | -0.1 | -6.5 | -5.1 |
| 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) | 4.2 | 7.8 | 7.3 | 9.3 | 10.3 | 11.0 | 11.7 | 11.4 | 10.4 | 7.7 | 7.8 | 4.8 |
| Precipitation (mm) | 120 | 43 | 144 | 81 | 60 | 73 | 103 | 147 | 33 | 76 | 31 | 66 |
| Sunny days | 5 | 18 | 13 | 15 | 18 | 17 | 8 | 16 | 17 | 19 | 24 | 14 |
| Rainy days | 23 | 10 | 15 | 15 | 13 | 13 | 23 | 15 | 13 | 12 | 6 | 16 |
| Snow days | 3 | 0 | 3 | 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