Average annual temperature is 9.2 °C
Absolute maximum temperature: 36.1 °C
Absolute minimum temperature: -14.1 °C
Number of sunny days: 172 days
Number of rainy days: 154 days
Number of snow days: 39 days
Look at detailed online map of Asotin County
* Weather data for Asotin County 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) | 9.1 | 8.5 | 10.5 | 24.2 | 27.1 | 28.8 | 33.1 | 36.1 | 29.3 | 23.8 | 12.4 | 11.0 |
| Average daytime temperature (°C) | 3.5 | 4.4 | 5.7 | 11.3 | 20.1 | 22.3 | 29.2 | 27.1 | 20.9 | 14.8 | 7.1 | 5.3 |
| Average temperature (°C) | -0.6 | -0.3 | 0.9 | 5.5 | 14.3 | 16.7 | 22.9 | 21.3 | 14.9 | 9.4 | 2.7 | 1.4 |
| Average night temperature (°C) | -3.1 | -3.0 | -2.6 | 1.4 | 9.3 | 11.2 | 16.7 | 16.2 | 10.3 | 5.5 | -0.1 | -0.9 |
| Absolute minimum temperature (°C) | -14.1 | -13.3 | -9.0 | -5.7 | 3.1 | 3.9 | 11.9 | 10.2 | 4.3 | -5.6 | -6.9 | -5.5 |
| 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 | 9.5 | 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) | 5.4 | 6.3 | 7.7 | 9.3 | 12.3 | 13.5 | 14.0 | 11.2 | 9.1 | 8.2 | 5.6 | 4.9 |
| Precipitation (mm) | 27 | 19 | 67 | 72 | 99 | 37 | 0 | 63 | 67 | 37 | 56 | 58 |
| Sunny days | 13 | 10 | 7 | 7 | 12 | 15 | 29 | 18 | 17 | 19 | 13 | 12 |
| Rainy days | 13 | 10 | 8 | 16 | 19 | 15 | 2 | 13 | 13 | 12 | 17 | 16 |
| Snow days | 5 | 8 | 16 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The best time to visit Asotin County during the most sunny months:
Months with the longest average daylight duration in Asotin County:
The largest precipitation sum in Asotin County is at