Average annual temperature is 11.6 °C
Absolute maximum temperature: 34.7 °C
Absolute minimum temperature: -4.5 °C
Number of sunny days: 178 days
Number of rainy days: 185 days
Number of snow days: 2 days
Look at detailed online map of Town of Steilacoom
* Weather data for Town of Steilacoom 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) | 14.3 | 12.6 | 17.2 | 23.8 | 31.0 | 30.3 | 32.4 | 34.7 | 29.1 | 24.8 | 15.8 | 14.8 |
| Average daytime temperature (°C) | 8.8 | 8.4 | 11.0 | 12.9 | 22.1 | 23.6 | 27.6 | 28.2 | 22.2 | 16.7 | 10.6 | 9.8 |
| Average temperature (°C) | 5.8 | 4.5 | 5.8 | 8.2 | 15.1 | 16.2 | 19.7 | 20.7 | 15.8 | 11.8 | 7.4 | 7.1 |
| Average night temperature (°C) | 3.4 | 2.0 | 2.4 | 5.0 | 10.2 | 10.9 | 13.2 | 15.2 | 11.9 | 8.6 | 5.1 | 5.1 |
| Absolute minimum temperature (°C) | -4.5 | -4.3 | -1.8 | 0.5 | 7.1 | 7.6 | 11.0 | 11.4 | 8.8 | 0.2 | 0.4 | 0.7 |
| 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) | 9.0 | 10.3 | 11.9 | 13.6 | 15.1 | 15.9 | 15.5 | 14.2 | 12.6 | 10.9 | 9.4 | 8.6 |
| 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) | 3.8 | 5.3 | 7.5 | 6.7 | 11.2 | 11.9 | 13.2 | 11.6 | 8.4 | 6.5 | 5.0 | 2.8 |
| Precipitation (mm) | 104 | 64 | 85 | 137 | 19 | 24 | 6 | 30 | 75 | 84 | 162 | 216 |
| Sunny days | 8 | 11 | 9 | 6 | 22 | 22 | 26 | 20 | 15 | 16 | 15 | 8 |
| Rainy days | 22 | 16 | 22 | 24 | 9 | 8 | 5 | 11 | 15 | 15 | 15 | 23 |
| Snow days | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Town of Steilacoom during the most sunny months:
Months with the longest average daylight duration in Town of Steilacoom:
The largest precipitation sum in Town of Steilacoom is at