Average annual temperature is 10.7 °C
Absolute maximum temperature: 32.9 °C
Absolute minimum temperature: -13.6 °C
Number of sunny days: 150 days
Number of rainy days: 199 days
Number of snow days: 16 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) | 14.5 | 19.6 | 18.2 | 27.1 | 31.4 | 32.9 | 31.2 | 30.7 | 32.2 | 26.0 | 15.4 | 14.3 |
| Average daytime temperature (°C) | 5.3 | 8.9 | 8.1 | 17.1 | 21.5 | 24.4 | 27.3 | 25.8 | 22.6 | 16.3 | 9.2 | 6.9 |
| Average temperature (°C) | 1.5 | 2.1 | 2.6 | 10.1 | 14.6 | 18.4 | 21.5 | 20.0 | 17.1 | 11.8 | 4.3 | 3.3 |
| Average night temperature (°C) | -1.3 | -2.7 | -1.5 | 4.5 | 8.2 | 13.1 | 16.9 | 15.5 | 12.8 | 8.2 | 0.6 | 0.6 |
| Absolute minimum temperature (°C) | -8.2 | -13.6 | -8.3 | -4.3 | 1.1 | 8.1 | 12.7 | 10.6 | 7.3 | 0.5 | -8.0 | -5.8 |
| 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 | 6.5 | 5.7 | 8.2 | 10.6 | 10.5 | 10.9 | 10.7 | 8.8 | 5.7 | 6.8 | 3.6 |
| Precipitation (mm) | 135 | 60 | 112 | 80 | 49 | 126 | 104 | 78 | 60 | 100 | 57 | 80 |
| Sunny days | 6 | 13 | 9 | 16 | 21 | 12 | 5 | 9 | 14 | 16 | 18 | 11 |
| Rainy days | 19 | 11 | 19 | 14 | 10 | 18 | 26 | 22 | 16 | 15 | 11 | 18 |
| Snow days | 6 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Petrolia during the most sunny months:
The largest precipitation sum in Petrolia is at