Average annual temperature is 5.2 °C
Absolute maximum temperature: 34.2 °C
Absolute minimum temperature: -29.8 °C
Number of sunny days: 190 days
Number of rainy days: 122 days
Number of snow days: 53 days
Look at detailed online map of Township of Sarnia
* Weather data for Township of Sarnia 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) | -0.1 | 1.5 | -0.3 | 11.0 | 28.2 | 34.2 | 32.1 | 31.5 | 31.3 | 28.1 | 10.1 | 8.6 |
| Average daytime temperature (°C) | -8.2 | -6.4 | -6.3 | 2.9 | 22.1 | 26.8 | 24.9 | 24.8 | 22.1 | 10.9 | 2.8 | 0.9 |
| Average temperature (°C) | -11.3 | -11.5 | -10.2 | -0.9 | 15.4 | 21.2 | 19.3 | 19.7 | 16.9 | 6.6 | -1.1 | -3.0 |
| Average night temperature (°C) | -13.8 | -15.6 | -13.4 | -4.4 | 9.3 | 16.2 | 14.4 | 15.4 | 12.5 | 3.0 | -4.2 | -5.7 |
| Absolute minimum temperature (°C) | -27.5 | -29.8 | -20.0 | -13.0 | -0.7 | 10.0 | 8.6 | 10.4 | 6.0 | -10.9 | -13.1 | -13.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.9 | 10.2 | 11.9 | 13.7 | 15.2 | 16.0 | 15.6 | 14.3 | 12.6 | 10.8 | 9.3 | 8.4 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 2.9 | 7.2 | 8.1 | 7.9 | 12.1 | 12.2 | 13.0 | 10.2 | 8.9 | 6.6 | 5.4 | 4.8 |
| Precipitation (mm) | 8 | 9 | 35 | 65 | 35 | 84 | 47 | 53 | 65 | 56 | 7 | 19 |
| Sunny days | 21 | 16 | 15 | 14 | 17 | 11 | 11 | 9 | 17 | 16 | 20 | 23 |
| Rainy days | 1 | 1 | 0 | 9 | 14 | 19 | 20 | 22 | 13 | 12 | 5 | 6 |
| Snow days | 9 | 11 | 16 | 7 | 0 | 0 | 0 | 0 | 0 | 3 | 5 | 2 |
The best time to visit Township of Sarnia during the most sunny months:
Months with the longest average daylight duration in Township of Sarnia:
The largest precipitation sum in Township of Sarnia is at