Average annual temperature is 5.9 °C
Absolute maximum temperature: 31.4 °C
Absolute minimum temperature: -30.9 °C
Number of sunny days: 135 days
Number of rainy days: 164 days
Number of snow days: 66 days
Look at detailed online map of Riley Brook
* Weather data for Riley Brook 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) | 4.5 | 6.8 | 5.8 | 16.8 | 29.4 | 31.4 | 30.8 | 24.3 | 28.1 | 22.9 | 8.9 | 13.1 |
| Average daytime temperature (°C) | -2.6 | -5.7 | 1.8 | 9.5 | 16.2 | 20.7 | 25.9 | 20.9 | 21.1 | 14.5 | 2.8 | 1.1 |
| Average temperature (°C) | -6.8 | -11.1 | -2.4 | 3.8 | 9.8 | 15.4 | 21.1 | 16.8 | 15.7 | 10.2 | -1.1 | -2.5 |
| Average night temperature (°C) | -10.7 | -15.9 | -6.3 | -1.2 | 4.2 | 11.0 | 17.2 | 13.5 | 11.6 | 6.8 | -4.2 | -5.6 |
| Absolute minimum temperature (°C) | -24.9 | -30.9 | -14.9 | -11.3 | -0.9 | 4.5 | 11.7 | 8.4 | 4.5 | -2.2 | -10.5 | -13.7 |
| 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) | 9.0 | 10.3 | 11.9 | 13.6 | 15.1 | 15.9 | 15.5 | 14.2 | 12.6 | 10.9 | 9.4 | 8.6 |
| 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) | 3.0 | 7.2 | 6.8 | 8.8 | 9.5 | 7.3 | 10.3 | 7.8 | 8.1 | 5.4 | 4.7 | 4.3 |
| Precipitation (mm) | 139 | 49 | 64 | 39 | 98 | 130 | 136 | 176 | 95 | 91 | 55 | 102 |
| Sunny days | 9 | 13 | 9 | 15 | 14 | 7 | 4 | 4 | 15 | 12 | 15 | 18 |
| Rainy days | 6 | 6 | 3 | 11 | 16 | 23 | 27 | 27 | 15 | 17 | 7 | 6 |
| Snow days | 16 | 9 | 19 | 4 | 1 | 0 | 0 | 0 | 0 | 2 | 8 | 7 |
The best time to visit Riley Brook during the most sunny months:
Months with the longest average daylight duration in Riley Brook:
The largest precipitation sum in Riley Brook is at