Seattle Weather in January
7.7°C high · 1.9°C low · 137 mm rain · 1.6h sun
Jan is a cool month in Seattle — not peak season, but a good time to avoid crowds.
January at a glance
| Metric | Value |
|---|---|
| Average high | 7.7°C |
| Average low | 1.9°C |
| Rainfall | 137 mm |
| Sunshine | 1.6 hours/day |
| Daylight | 8.6 hours |
What to pack in January
Pack a warm coat and layers, plus a raincoat and umbrella for Seattle in January.
Seattle weather by month
JanFebMarAprMayJunJulAugSepOctNovDec
Frequently asked questions
What is the weather in Seattle in January?
Highs of 7.7°C and lows of 1.9°C, with about 137 mm of rain and 1.6 hours of sunshine per day.
Is January a good time to visit Seattle?
Jan is a cool month in Seattle — not peak season, but a good time to avoid crowds.
What to do in Seattle · Best time to visit Seattle
Climate data: Open-Meteo Historical (ERA5), 1991–2020. CC BY 4.0.