Average annual temperature is 11.3 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: -20.9 °C
Number of sunny days: 182 days
Number of rainy days: 169 days
Number of snow days: 14 days
Look at detailed online map of Westlake
* Weather data for Westlake 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) | 11.9 | 14.4 | 20.4 | 25.6 | 31.5 | 32.8 | 33.8 | 36.5 | 33.9 | 27.6 | 19.6 | 14.5 |
| Average daytime temperature (°C) | 3.3 | 5.9 | 8.3 | 16.8 | 23.0 | 28.2 | 28.7 | 27.9 | 24.7 | 16.8 | 9.7 | 6.7 |
| Average temperature (°C) | -0.6 | 0.4 | 3.0 | 9.8 | 16.3 | 21.3 | 22.9 | 22.3 | 19.4 | 12.5 | 4.8 | 3.2 |
| Average night temperature (°C) | -3.5 | -3.7 | -0.8 | 3.9 | 10.4 | 15.3 | 18.0 | 17.8 | 15.3 | 9.0 | 0.9 | 0.7 |
| Absolute minimum temperature (°C) | -20.9 | -19.3 | -11.5 | -3.1 | 1.3 | 8.2 | 14.1 | 12.4 | 9.7 | -2.8 | -10.5 | -7.9 |
| 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 | 14.9 | 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) | 3.2 | 7.7 | 6.4 | 9.3 | 10.7 | 12.2 | 11.7 | 10.8 | 8.3 | 6.5 | 7.3 | 4.3 |
| Precipitation (mm) | 62 | 83 | 107 | 124 | 57 | 30 | 165 | 119 | 164 | 121 | 33 | 67 |
| Sunny days | 12 | 17 | 10 | 15 | 19 | 17 | 15 | 16 | 13 | 10 | 23 | 15 |
| Rainy days | 11 | 9 | 19 | 15 | 12 | 13 | 16 | 15 | 17 | 21 | 6 | 15 |
| Snow days | 8 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Westlake during the most sunny months:
The largest precipitation sum in Westlake is at