Weather in シアトル in 1月
Climate normals based on 10 years of historical data for シアトル, アメリカ.
Average high
8°C
Average low
3°C
Rainfall
188 mm
18 rainy days
Sunshine
1.8h/day
湿度
84%
How Hot Is シアトル in 1月?
シアトル sees steady cool weather: 8°C days, 3°C nights — a typical 5°C swing.
Sunshine Hours in 1月
Short days and grey skies define January: sunrise 7:50 am, sunset 4:45 pm, only 1.8h of sun.
Does It Rain In シアトル In 1月?
Wet weather defines January in シアトル — about 188mm of rain falls across 18 days.
Is シアトル Humid In 1月?
シアトル is sticky and humid throughout January: 84% humidity makes the heat feel relentless.
Does It Snow In シアトル In 1月?
Snow lightly dusts シアトル once or twice in January — 1.2 snow days on average.
Wind In シアトル In 1月
Wind stays light: 15 kph on a typical day in シアトル.
Cloud Cover In シアトル In 1月
シアトル's January runs cloudy: typical cloud cover of 70%.
Cities With Similar Weather In 1月
Weather in シアトル, month by month
| Month | High / Low | 雨 | |
|---|---|---|---|
| 1月の天気 | 8°C / 3°C | 188mm | |
| 2月の天気 | 8°C / 2°C | 124mm | Details → |
| 3月の天気 | 11°C / 3°C | 109mm | Details → |
| 4月の天気 | 14°C / 5°C | 87mm | Details → |
| 5月の天気 | 19°C / 9°C | 55mm | Details → |
| 6月の天気 | 22°C / 11°C | 54mm | Details → |
| 7月の天気 | 26°C / 14°C | 15mm | Details → |
| 8月の天気 | 26°C / 15°C | 27mm | Details → |
| 9月の天気 | 21°C / 12°C | 67mm | Details → |
| 10月の天気 | 16°C / 8°C | 134mm | Details → |
| 11月の天気 | 10°C / 5°C | 192mm | Details → |
| 12月の天気 | 7°C / 3°C | 202mm | Details → |