Average annual temperature is 9.6 °C
Absolute maximum temperature: 38.0 °C
Absolute minimum temperature: -15.5 °C
Number of sunny days: 207 days
Number of rainy days: 138 days
Number of snow days: 20 days
Look at detailed online map of Spokane Valley
* Weather data for Spokane Valley 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) | 7.3 | 9.0 | 13.6 | 26.1 | 30.5 | 31.6 | 35.1 | 38.0 | 30.9 | 26.6 | 11.5 | 8.9 |
| Average daytime temperature (°C) | 2.6 | 5.1 | 8.1 | 13.0 | 23.8 | 26.1 | 31.4 | 30.3 | 23.8 | 16.5 | 6.4 | 4.0 |
| Average temperature (°C) | -1.2 | -0.8 | 1.4 | 6.9 | 16.3 | 19.1 | 23.4 | 22.4 | 16.0 | 9.4 | 1.5 | -0.1 |
| Average night temperature (°C) | -4.6 | -4.4 | -3.3 | 1.5 | 9.6 | 11.8 | 15.0 | 15.0 | 9.8 | 3.8 | -1.8 | -2.8 |
| Absolute minimum temperature (°C) | -13.2 | -15.5 | -12.2 | -3.9 | 4.0 | 6.3 | 11.4 | 9.2 | 3.2 | -8.5 | -7.7 | -6.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.9 | 10.3 | 11.9 | 13.6 | 15.1 | 15.9 | 15.5 | 14.2 | 12.6 | 10.9 | 9.3 | 8.5 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 4.4 | 5.5 | 7.8 | 9.1 | 12.3 | 13.1 | 14.2 | 11.1 | 9.5 | 8.0 | 4.6 | 3.2 |
| Precipitation (mm) | 33 | 33 | 29 | 57 | 31 | 19 | 2 | 35 | 14 | 15 | 60 | 88 |
| Sunny days | 12 | 13 | 12 | 9 | 16 | 22 | 28 | 22 | 21 | 22 | 16 | 14 |
| Rainy days | 16 | 9 | 10 | 21 | 15 | 8 | 3 | 9 | 9 | 9 | 14 | 15 |
| Snow days | 3 | 6 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The best time to visit Spokane Valley during the most sunny months:
Months with the longest average daylight duration in Spokane Valley:
The largest precipitation sum in Spokane Valley is at