Average annual temperature is 11.7 °C
Absolute maximum temperature: 33.5 °C
Absolute minimum temperature: -20.2 °C
Number of sunny days: 162 days
Number of rainy days: 193 days
Number of snow days: 10 days
Look at detailed online map of Sylvan Lake
* Weather data for Sylvan Lake 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) | 18.0 | 16.2 | 16.2 | 31.5 | 29.8 | 33.5 | 32.1 | 30.1 | 33.4 | 28.0 | 19.0 | 15.4 |
| Average daytime temperature (°C) | 7.0 | 6.9 | 9.1 | 17.7 | 21.5 | 25.1 | 28.8 | 26.3 | 23.3 | 18.4 | 9.8 | 8.3 |
| Average temperature (°C) | 3.1 | 1.8 | 3.7 | 11.4 | 14.8 | 19.2 | 23.6 | 21.4 | 18.5 | 13.7 | 5.0 | 3.9 |
| Average night temperature (°C) | -0.1 | -2.5 | -0.8 | 6.4 | 8.6 | 14.3 | 19.3 | 17.2 | 14.7 | 9.9 | 1.1 | 0.9 |
| Absolute minimum temperature (°C) | -5.8 | -20.2 | -11.6 | -2.2 | 3.0 | 8.4 | 14.3 | 11.8 | 7.5 | 2.7 | -4.3 | -6.9 |
| 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 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.7 | 6.4 | 7.5 | 8.5 | 12.1 | 10.3 | 11.3 | 9.8 | 7.9 | 7.2 | 7.4 | 4.7 |
| Precipitation (mm) | 122 | 50 | 111 | 82 | 56 | 106 | 196 | 133 | 275 | 137 | 54 | 228 |
| Sunny days | 11 | 16 | 12 | 16 | 19 | 6 | 8 | 8 | 13 | 17 | 20 | 16 |
| Rainy days | 19 | 9 | 16 | 14 | 12 | 24 | 23 | 23 | 17 | 14 | 9 | 13 |
| Snow days | 1 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Sylvan Lake during the most sunny months:
The largest precipitation sum in Sylvan Lake is at