Weather · Seattle, United States
Seattle Weather in January
January in Seattle averages 8°C by day and 3°C at night, with about 191mm of rain. That makes it not the easiest month, weather-wise.
Avg high
8°C
46°F
Avg low
3°C
37°F
Rainfall
191mm
#1 wettest of 12
What to pack
Warm layers and a proper coat. Pack a rain jacket or travel umbrella, showers are frequent this month.
Timing a trip around the weather? A Local Friend in Seattle builds it around the season for you.