Average annual temperature is 10.7 °C
Absolute maximum temperature: 31.2 °C
Absolute minimum temperature: -7.4 °C
Number of sunny days: 164 days
Number of rainy days: 199 days
Number of snow days: 2 days
Look at detailed online map of Sedro-Woolley
* Weather data for Sedro-Woolley 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) | 13.3 | 11.6 | 16.9 | 24.2 | 30.0 | 28.0 | 29.6 | 31.2 | 26.5 | 26.8 | 16.0 | 13.3 |
| Average daytime temperature (°C) | 8.2 | 7.3 | 11.2 | 12.6 | 20.5 | 21.0 | 25.1 | 25.5 | 20.9 | 16.4 | 10.6 | 9.3 |
| Average temperature (°C) | 4.8 | 3.6 | 5.4 | 7.7 | 14.5 | 15.2 | 18.5 | 19.2 | 15.2 | 11.3 | 6.1 | 6.2 |
| Average night temperature (°C) | 2.5 | 1.1 | 1.6 | 4.1 | 9.6 | 10.4 | 12.9 | 14.0 | 11.3 | 7.9 | 3.2 | 4.1 |
| Absolute minimum temperature (°C) | -5.4 | -7.4 | -3.8 | -1.5 | 4.9 | 6.9 | 10.3 | 10.3 | 5.4 | -2.4 | -2.9 | -3.3 |
| 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 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.8 | 10.2 | 11.9 | 13.7 | 15.2 | 16.0 | 15.7 | 14.3 | 12.6 | 10.8 | 9.2 | 8.4 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 3.1 | 3.6 | 7.0 | 6.2 | 10.2 | 10.9 | 13.1 | 11.5 | 8.2 | 6.3 | 4.7 | 2.5 |
| Precipitation (mm) | 102 | 196 | 124 | 160 | 38 | 40 | 13 | 18 | 71 | 98 | 180 | 222 |
| Sunny days | 8 | 6 | 6 | 5 | 18 | 18 | 28 | 24 | 15 | 15 | 15 | 6 |
| Rainy days | 23 | 21 | 24 | 25 | 13 | 12 | 3 | 7 | 15 | 16 | 15 | 25 |
| Snow days | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Sedro-Woolley during the most sunny months:
Months with the longest average daylight duration in Sedro-Woolley:
The largest precipitation sum in Sedro-Woolley is at