Average annual temperature is 10.1 °C
Absolute maximum temperature: 37.3 °C
Absolute minimum temperature: -24.8 °C
Number of sunny days: 187 days
Number of rainy days: 141 days
Number of snow days: 37 days
Look at detailed online map of Westby
* Weather data for Westby 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) | 6.3 | 8.5 | 13.9 | 26.3 | 31.0 | 32.7 | 32.3 | 37.3 | 34.4 | 30.1 | 16.8 | 12.5 |
| Average daytime temperature (°C) | -0.1 | 2.7 | 6.4 | 14.6 | 23.2 | 28.1 | 27.9 | 28.0 | 24.7 | 15.7 | 8.2 | 5.2 |
| Average temperature (°C) | -4.0 | -3.0 | 0.8 | 8.4 | 16.3 | 21.8 | 22.3 | 22.5 | 19.3 | 11.4 | 3.6 | 1.3 |
| Average night temperature (°C) | -7.1 | -7.3 | -3.3 | 3.6 | 10.2 | 16.1 | 17.5 | 17.7 | 15.2 | 7.9 | 0.2 | -1.2 |
| Absolute minimum temperature (°C) | -24.8 | -24.8 | -15.0 | -3.7 | 1.4 | 7.7 | 12.6 | 11.2 | 8.9 | -4.7 | -12.6 | -7.8 |
| 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 | 9.0 |
| Daylight mean duration (h) | 9.4 | 10.5 | 11.9 | 13.4 | 14.7 | 15.4 | 15.1 | 13.9 | 12.5 | 11.0 | 9.7 | 9.0 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 4.0 | 6.3 | 7.0 | 8.1 | 11.5 | 12.8 | 12.4 | 11.3 | 9.1 | 6.7 | 6.8 | 4.2 |
| Precipitation (mm) | 45 | 50 | 73 | 108 | 32 | 26 | 77 | 111 | 177 | 81 | 9 | 36 |
| Sunny days | 14 | 14 | 13 | 15 | 20 | 17 | 13 | 16 | 10 | 12 | 25 | 18 |
| Rainy days | 5 | 7 | 8 | 14 | 11 | 13 | 18 | 15 | 20 | 17 | 4 | 9 |
| Snow days | 12 | 7 | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 4 |
The best time to visit Westby during the most sunny months:
Months with the longest average daylight duration in Westby:
The largest precipitation sum in Westby is at