Average annual temperature is 14.4 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: -9.9 °C
Number of sunny days: 195 days
Number of rainy days: 168 days
Number of snow days: 2 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) | 17.6 | 22.1 | 23.0 | 27.7 | 30.7 | 33.7 | 35.0 | 36.3 | 32.2 | 30.0 | 25.4 | 17.7 |
| Average daytime temperature (°C) | 8.5 | 12.0 | 13.6 | 20.1 | 25.0 | 29.0 | 30.8 | 29.4 | 27.5 | 20.8 | 14.2 | 10.1 |
| Average temperature (°C) | 4.4 | 6.0 | 7.4 | 13.1 | 18.8 | 22.8 | 25.5 | 24.1 | 21.5 | 15.4 | 8.4 | 5.4 |
| Average night temperature (°C) | 1.2 | 1.5 | 2.7 | 7.6 | 13.0 | 17.3 | 20.6 | 19.5 | 16.4 | 10.9 | 4.1 | 2.1 |
| Absolute minimum temperature (°C) | -7.7 | -9.9 | -6.5 | -0.1 | 4.8 | 12.5 | 16.1 | 14.1 | 12.3 | -2.7 | -5.8 | -6.9 |
| 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 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.5 | 13.6 | 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) | 4.5 | 7.6 | 7.4 | 9.8 | 10.9 | 11.7 | 11.8 | 10.8 | 10.6 | 7.6 | 7.9 | 5.6 |
| Precipitation (mm) | 133 | 62 | 206 | 81 | 60 | 50 | 76 | 150 | 31 | 56 | 20 | 69 |
| Sunny days | 12 | 18 | 15 | 16 | 18 | 16 | 10 | 13 | 18 | 19 | 23 | 17 |
| Rainy days | 18 | 10 | 15 | 14 | 13 | 14 | 21 | 18 | 12 | 12 | 7 | 14 |
| Snow days | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Petersburg during the most sunny months:
The largest precipitation sum in Petersburg is at