Average annual temperature is 6.8 °C
Absolute maximum temperature: 30.4 °C
Absolute minimum temperature: -27.8 °C
Number of sunny days: 164 days
Number of rainy days: 145 days
Number of snow days: 56 days
Look at detailed online map of Rock Lake
* Weather data for Rock Lake 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) | 2.3 | 5.3 | 5.5 | 23.0 | 26.5 | 30.4 | 28.8 | 27.6 | 28.1 | 26.2 | 12.4 | 7.2 |
| Average daytime temperature (°C) | -2.1 | -2.3 | 1.0 | 8.8 | 18.4 | 23.6 | 24.2 | 23.0 | 21.1 | 12.7 | 4.3 | 2.0 |
| Average temperature (°C) | -5.2 | -6.8 | -3.5 | 3.7 | 11.8 | 17.8 | 18.9 | 17.9 | 16.0 | 9.4 | 0.8 | -0.8 |
| Average night temperature (°C) | -7.8 | -11.1 | -7.3 | -0.4 | 6.2 | 12.7 | 14.4 | 13.9 | 12.3 | 7.0 | -2.0 | -3.2 |
| Absolute minimum temperature (°C) | -22.1 | -27.8 | -13.8 | -9.3 | 0.2 | 8.2 | 10.7 | 7.7 | 7.5 | -1.4 | -12.6 | -11.7 |
| 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) | 9.1 | 10.3 | 11.9 | 13.6 | 15.0 | 15.7 | 15.4 | 14.1 | 12.6 | 10.9 | 9.4 | 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) | 4.0 | 5.4 | 7.0 | 7.0 | 11.7 | 11.0 | 12.4 | 10.3 | 10.1 | 5.2 | 4.6 | 3.3 |
| Precipitation (mm) | 72 | 55 | 39 | 114 | 63 | 80 | 83 | 74 | 49 | 112 | 63 | 40 |
| Sunny days | 11 | 10 | 16 | 12 | 17 | 15 | 10 | 13 | 22 | 10 | 13 | 15 |
| Rainy days | 4 | 3 | 3 | 16 | 14 | 15 | 21 | 18 | 8 | 20 | 12 | 11 |
| Snow days | 16 | 15 | 12 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 5 |
The best time to visit Rock Lake during the most sunny months:
Months with the longest average daylight duration in Rock Lake:
The largest precipitation sum in Rock Lake is at