Average annual temperature is 20.8 °C
Absolute maximum temperature: 40.8 °C
Absolute minimum temperature: -2.1 °C
Number of sunny days: 177 days
Number of rainy days: 188 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) | 25.1 | 28.4 | 28.4 | 30.1 | 32.8 | 37.2 | 38.1 | 40.8 | 37.0 | 33.0 | 28.0 | 25.1 |
| Average daytime temperature (°C) | 18.3 | 20.2 | 23.1 | 24.3 | 29.5 | 33.8 | 35.3 | 37.5 | 33.3 | 27.3 | 19.9 | 17.4 |
| Average temperature (°C) | 13.2 | 14.4 | 17.0 | 18.6 | 23.5 | 27.3 | 29.1 | 31.3 | 27.1 | 21.1 | 14.6 | 11.8 |
| Average night temperature (°C) | 9.4 | 10.4 | 12.6 | 14.3 | 18.7 | 22.5 | 24.6 | 26.0 | 21.8 | 16.2 | 10.7 | 7.5 |
| Absolute minimum temperature (°C) | -0.2 | -0.3 | -2.1 | 8.6 | 12.9 | 19.3 | 21.5 | 21.0 | 17.4 | 6.7 | 2.7 | 1.3 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 13.0 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.6 | 10.1 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 6.3 | 7.4 | 8.4 | 8.3 | 10.8 | 11.7 | 11.6 | 11.8 | 11.1 | 9.1 | 6.3 | 7.8 |
| Precipitation (mm) | 213 | 177 | 137 | 181 | 82 | 100 | 103 | 11 | 50 | 25 | 110 | 110 |
| Sunny days | 12 | 10 | 12 | 10 | 15 | 5 | 13 | 21 | 17 | 23 | 16 | 23 |
| Rainy days | 19 | 18 | 19 | 20 | 16 | 25 | 18 | 10 | 13 | 8 | 14 | 8 |
| Snow days | 0 | 0 | 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