Average annual temperature is 8.9 °C
Absolute maximum temperature: 30.1 °C
Absolute minimum temperature: -22.2 °C
Number of sunny days: 118 days
Number of rainy days: 212 days
Number of snow days: 35 days
Look at detailed online map of Petrolia
* Weather data for Petrolia 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) | 12.3 | 15.4 | 11.9 | 26.6 | 28.7 | 29.7 | 30.1 | 28.8 | 29.4 | 25.9 | 15.1 | 11.8 |
| Average daytime temperature (°C) | 3.1 | 6.0 | 5.1 | 15.5 | 18.9 | 22.3 | 25.5 | 23.4 | 21.0 | 14.5 | 7.1 | 5.4 |
| Average temperature (°C) | -0.1 | -0.6 | 0.2 | 8.7 | 12.1 | 16.7 | 20.2 | 18.3 | 15.8 | 10.5 | 2.7 | 2.1 |
| Average night temperature (°C) | -2.8 | -5.2 | -3.5 | 3.2 | 6.0 | 11.7 | 15.6 | 14.5 | 11.8 | 7.1 | -0.7 | -0.4 |
| Absolute minimum temperature (°C) | -11.0 | -22.2 | -12.5 | -7.0 | -1.1 | 6.5 | 11.9 | 10.2 | 5.8 | -2.8 | -8.6 | -6.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 13.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.8 | 12.5 | 11.1 | 9.8 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 2.4 | 5.9 | 5.5 | 8.4 | 11.4 | 10.6 | 11.6 | 9.8 | 8.5 | 5.5 | 6.2 | 2.9 |
| Precipitation (mm) | 111 | 67 | 96 | 79 | 51 | 88 | 134 | 93 | 51 | 71 | 45 | 94 |
| Sunny days | 7 | 9 | 6 | 11 | 20 | 10 | 6 | 3 | 15 | 13 | 9 | 9 |
| Rainy days | 15 | 15 | 14 | 18 | 11 | 20 | 25 | 28 | 15 | 18 | 17 | 16 |
| Snow days | 9 | 4 | 11 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 6 |
The best time to visit Petrolia during the most sunny months:
The largest precipitation sum in Petrolia is at