Average annual temperature is 10.8 °C
Absolute maximum temperature: 34.4 °C
Absolute minimum temperature: -5.8 °C
Number of sunny days: 168 days
Number of rainy days: 195 days
Number of snow days: 2 days
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* Weather data for Federal Way 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) | 12.8 | 12.2 | 16.1 | 22.4 | 29.5 | 29.4 | 31.6 | 34.4 | 28.8 | 24.1 | 15.2 | 14.6 |
| Average daytime temperature (°C) | 8.3 | 7.6 | 10.3 | 12.2 | 21.1 | 22.7 | 27.5 | 27.6 | 21.7 | 15.8 | 9.6 | 9.1 |
| Average temperature (°C) | 4.9 | 3.6 | 5.0 | 7.3 | 14.5 | 15.7 | 19.7 | 20.5 | 15.3 | 10.8 | 6.0 | 5.9 |
| Average night temperature (°C) | 2.3 | 0.8 | 1.2 | 3.9 | 9.3 | 10.4 | 13.2 | 15.0 | 11.3 | 7.4 | 3.3 | 3.7 |
| Absolute minimum temperature (°C) | -5.7 | -5.8 | -3.4 | -1.1 | 6.1 | 6.9 | 10.9 | 11.4 | 7.8 | -2.2 | -2.4 | -1.9 |
| 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) | 4.0 | 5.1 | 7.6 | 6.7 | 10.9 | 11.6 | 13.2 | 11.5 | 8.6 | 6.6 | 5.1 | 3.1 |
| Precipitation (mm) | 99 | 92 | 85 | 170 | 21 | 33 | 7 | 33 | 109 | 90 | 166 | 238 |
| Sunny days | 6 | 9 | 7 | 6 | 19 | 21 | 27 | 19 | 13 | 17 | 15 | 9 |
| Rainy days | 24 | 18 | 24 | 24 | 12 | 9 | 4 | 12 | 17 | 14 | 15 | 22 |
| Snow days | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Federal Way during the most sunny months:
Months with the longest average daylight duration in Federal Way:
The largest precipitation sum in Federal Way is at