Average annual temperature is 10.8 °C
Absolute maximum temperature: 40.8 °C
Absolute minimum temperature: -11.9 °C
Number of sunny days: 199 days
Number of rainy days: 141 days
Number of snow days: 25 days
Look at detailed online map of Yakama Nation Reservation
* Weather data for Yakama Nation Reservation 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) | 11.0 | 8.8 | 12.0 | 27.6 | 31.1 | 33.8 | 36.1 | 40.8 | 31.3 | 25.1 | 13.6 | 11.3 |
| Average daytime temperature (°C) | 3.3 | 5.0 | 7.4 | 13.0 | 24.0 | 26.4 | 32.2 | 31.3 | 23.7 | 16.3 | 7.0 | 4.3 |
| Average temperature (°C) | 0.1 | 0.9 | 2.9 | 7.5 | 16.9 | 19.0 | 24.1 | 23.8 | 17.1 | 11.2 | 3.8 | 2.0 |
| Average night temperature (°C) | -2.3 | -2.0 | -0.3 | 3.2 | 11.0 | 12.4 | 16.4 | 17.3 | 11.8 | 7.0 | 1.1 | 0.1 |
| Absolute minimum temperature (°C) | -11.9 | -11.7 | -4.9 | -2.9 | 4.2 | 5.9 | 11.5 | 12.5 | 5.2 | -3.5 | -6.0 | -4.4 |
| 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) | 4.6 | 5.9 | 7.8 | 9.2 | 12.7 | 13.3 | 14.0 | 12.1 | 9.5 | 8.2 | 4.7 | 2.4 |
| Precipitation (mm) | 75 | 25 | 54 | 51 | 14 | 8 | 1 | 20 | 27 | 22 | 60 | 133 |
| Sunny days | 9 | 13 | 8 | 12 | 19 | 22 | 29 | 23 | 20 | 20 | 17 | 7 |
| Rainy days | 16 | 10 | 15 | 18 | 12 | 8 | 2 | 8 | 10 | 11 | 12 | 19 |
| Snow days | 6 | 5 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 |
The best time to visit Yakama Nation Reservation during the most sunny months:
Months with the longest average daylight duration in Yakama Nation Reservation:
The largest precipitation sum in Yakama Nation Reservation is at