Average annual temperature is 14.0 °C
Absolute maximum temperature: 37.6 °C
Absolute minimum temperature: -9.5 °C
Number of sunny days: 198 days
Number of rainy days: 165 days
Number of snow days: 2 days
Look at detailed online map of Washington
* Weather data for Washington 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) | 17.9 | 24.1 | 26.5 | 30.4 | 29.8 | 31.6 | 37.6 | 36.0 | 37.1 | 28.7 | 25.7 | 19.3 |
| Average daytime temperature (°C) | 9.7 | 12.5 | 13.6 | 22.0 | 22.9 | 27.3 | 32.2 | 30.6 | 26.7 | 21.2 | 13.3 | 10.3 |
| Average temperature (°C) | 5.1 | 6.4 | 7.1 | 14.7 | 16.6 | 20.7 | 25.3 | 24.0 | 20.6 | 15.0 | 7.2 | 5.1 |
| Average night temperature (°C) | 1.6 | 1.5 | 2.0 | 8.5 | 10.9 | 14.8 | 19.6 | 18.7 | 15.6 | 9.8 | 2.4 | 1.1 |
| Absolute minimum temperature (°C) | -3.8 | -9.5 | -5.7 | 2.0 | 5.2 | 10.1 | 15.7 | 13.6 | 10.6 | 4.1 | -6.1 | -5.4 |
| 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 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.6 | 13.6 | 12.4 | 11.2 | 10.1 | 9.5 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.4 | 6.9 | 7.8 | 9.5 | 10.0 | 10.9 | 12.0 | 11.0 | 9.3 | 8.9 | 7.9 | 5.9 |
| Precipitation (mm) | 63 | 74 | 68 | 109 | 43 | 99 | 104 | 27 | 114 | 27 | 75 | 118 |
| Sunny days | 13 | 17 | 16 | 18 | 16 | 13 | 11 | 16 | 17 | 19 | 25 | 17 |
| Rainy days | 17 | 10 | 15 | 12 | 15 | 17 | 20 | 15 | 13 | 12 | 5 | 14 |
| Snow days | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Washington during the most sunny months:
The largest precipitation sum in Washington is at