シアトル Weather Averages
Climate averages for シアトル based on 10 years of historical data.
Annual avg temp
11.3°C
Annual avg high
15.6°C
Annual avg low
7.5°C
Record high
41°C
Record low
-10°C
Annual rainfall
1254 mm
Rainy days
150
Sunshine
3.6h/day
湿度
76%
Average シアトル temperatures by month
Avg high
Avg low
Average rainfall in シアトル by month
Rainfall (mm)
Sunshine hours in シアトル by month
Sunshine (h/day)
Humidity in シアトル by month
Average humidity
Month-by-month averages
| Month | Avg High | Avg Low | Rainfall | Sunshine |
|---|---|---|---|---|
| 1月の天気 | 8°C | 3°C | 188 mm | 1.8h |
| 2月の天気 | 8°C | 2°C | 124 mm | 1.5h |
| 3月の天気 | 11°C | 3°C | 109 mm | 2.2h |
| 4月の天気 | 14°C | 5°C | 87 mm | 2.9h |
| 5月の天気 | 19°C | 9°C | 55 mm | 4.6h |
| 6月の天気 | 22°C | 11°C | 54 mm | 5.6h |
| 7月の天気 | 26°C | 14°C | 15 mm | 7.2h |
| 8月の天気 | 26°C | 15°C | 27 mm | 7.1h |
| 9月の天気 | 21°C | 12°C | 67 mm | 4.4h |
| 10月の天気 | 16°C | 8°C | 134 mm | 3.2h |
| 11月の天気 | 10°C | 5°C | 192 mm | 1.8h |
| 12月の天気 | 7°C | 3°C | 202 mm | 1.4h |