Average annual temperature is 7.3 °C
Absolute maximum temperature: 32.9 °C
Absolute minimum temperature: -29.8 °C
Number of sunny days: 142 days
Number of rainy days: 179 days
Number of snow days: 44 days
Look at detailed online map of Sunbury County
* Weather data for Sunbury County Canada is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 8.3 | 7.6 | 7.7 | 17.7 | 30.0 | 32.9 | 31.1 | 25.0 | 28.7 | 24.9 | 12.9 | 13.9 |
| Average daytime temperature (°C) | 0.6 | -2.7 | 2.8 | 10.6 | 17.5 | 20.5 | 26.3 | 22.5 | 22.2 | 16.2 | 5.0 | 2.9 |
| Average temperature (°C) | -3.5 | -7.9 | -1.3 | 5.2 | 11.2 | 15.5 | 21.7 | 18.1 | 17.0 | 11.5 | 0.4 | -1.0 |
| Average night temperature (°C) | -6.7 | -12.8 | -4.9 | 0.5 | 6.0 | 11.4 | 18.2 | 14.6 | 13.0 | 8.3 | -3.0 | -4.3 |
| Absolute minimum temperature (°C) | -14.1 | -29.8 | -12.5 | -8.9 | 1.1 | 5.1 | 14.0 | 10.6 | 6.0 | -1.0 | -9.1 | -12.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 |
| Daylight mean duration (h) | 9.1 | 10.4 | 11.9 | 13.6 | 14.9 | 15.7 | 15.3 | 14.1 | 12.5 | 10.9 | 9.5 | 8.7 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 3.7 | 6.7 | 6.3 | 8.4 | 9.9 | 6.0 | 8.9 | 8.6 | 8.3 | 6.6 | 5.7 | 4.4 |
| Precipitation (mm) | 182 | 43 | 62 | 34 | 86 | 189 | 182 | 242 | 113 | 113 | 66 | 135 |
| Sunny days | 6 | 16 | 10 | 17 | 15 | 6 | 3 | 9 | 15 | 10 | 16 | 19 |
| Rainy days | 12 | 6 | 9 | 10 | 16 | 24 | 28 | 22 | 15 | 19 | 11 | 7 |
| Snow days | 13 | 6 | 12 | 3 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 5 |
The best time to visit Sunbury County during the most sunny months:
Months with the longest average daylight duration in Sunbury County:
The largest precipitation sum in Sunbury County is at