Average annual temperature is 10.5 °C
Absolute maximum temperature: 40.9 °C
Absolute minimum temperature: -13.3 °C
Number of sunny days: 216 days
Number of rainy days: 124 days
Number of snow days: 25 days
Look at detailed online map of Cowiche
* Weather data for Cowiche 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) | 11.7 | 10.4 | 12.7 | 26.7 | 31.4 | 33.1 | 35.9 | 40.9 | 30.9 | 25.0 | 12.6 | 8.7 |
| Average daytime temperature (°C) | 3.3 | 5.3 | 8.0 | 13.1 | 24.7 | 27.0 | 32.1 | 31.6 | 24.0 | 16.7 | 6.9 | 4.0 |
| Average temperature (°C) | -0.3 | 0.5 | 2.8 | 7.3 | 17.2 | 19.4 | 23.7 | 23.5 | 16.7 | 10.4 | 3.0 | 1.0 |
| Average night temperature (°C) | -3.1 | -2.7 | -1.4 | 2.3 | 10.4 | 12.2 | 15.1 | 15.9 | 10.8 | 5.4 | 0.2 | -1.0 |
| Absolute minimum temperature (°C) | -13.3 | -11.4 | -6.0 | -4.1 | 4.2 | 6.9 | 10.5 | 10.2 | 3.3 | -5.9 | -5.0 | -7.7 |
| 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) | 9.0 | 10.3 | 11.9 | 13.6 | 15.0 | 15.8 | 15.4 | 14.2 | 12.6 | 10.9 | 9.4 | 8.6 |
| 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) | 4.9 | 6.1 | 7.8 | 9.2 | 12.8 | 13.2 | 13.9 | 11.9 | 9.7 | 7.9 | 5.3 | 3.1 |
| Precipitation (mm) | 56 | 16 | 45 | 53 | 11 | 8 | 3 | 12 | 27 | 24 | 55 | 100 |
| Sunny days | 15 | 17 | 9 | 10 | 21 | 22 | 28 | 25 | 20 | 18 | 18 | 13 |
| Rainy days | 12 | 5 | 13 | 18 | 10 | 8 | 3 | 6 | 10 | 13 | 11 | 15 |
| Snow days | 4 | 6 | 9 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
The best time to visit Cowiche during the most sunny months:
Months with the longest average daylight duration in Cowiche:
The largest precipitation sum in Cowiche is at