Seattle weather by month
Seattle has mild summers, cool winters and moderate rain. The most pleasant months are June and August.
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Month by month
Average daytime high, night low, rain or snow, how the air feels and how strong the sun is, 1991–2020. Best months are highlighted.
| Month | High | Low | Rain | Air | Sun |
|---|---|---|---|---|---|
| January | 47°F 8°C | 37°F 3°C | 5.4 in 136 mm | Dry | Weak sun |
| February | 49°F 10°C | 37°F 3°C | 3.5 in 90 mm | Dry | Weak sun |
| March | 53°F 12°C | 39°F 4°C | 4.4 in 111 mm | Dry | Moderate sun |
| April | 58°F 14°C | 42°F 6°C | 3.0 in 75 mm | Dry | Sunny |
| May | 65°F 18°C | 48°F 9°C | 1.8 in 45 mm | Dry | Sunny |
| June | 70°F 21°C | 52°F 11°C | 1.6 in 40 mm | Comfortable | Sunny |
| July | 75°F 24°C | 56°F 13°C | 0.7 in 19 mm | Comfortable | Strong sun |
| August | 76°F 24°C | 56°F 13°C | 1.1 in 28 mm | Comfortable | Sunny |
| September | 70°F 21°C | 52°F 11°C | 1.6 in 40 mm | Comfortable | Moderate sun |
| October | 60°F 15°C | 45°F 7°C | 3.7 in 95 mm | Comfortable | Weak sun |
| November | 51°F 11°C | 40°F 5°C | 5.7 in 146 mm | Dry | Weak sun |
| December | 46°F 8°C | 36°F 2°C | 5.9 in 149 mm | Dry | Weak sun |
Cities with a climate like Seattle
Whole-year match out of 100, one city per country, seasons lined up across the equator.
- Victoria Canada90
- Southampton United Kingdom86
- Gasteiz / Vitoria Spain85
- Brussels Belgium84
- Nantes France84
- Rotterdam Netherlands84