Weather · Seattle, United States
Seattle Weather in December
Seattle in December runs 7°C / 3°C with 189mm of rain, not the easiest month, weather-wise.
Avg high
7°C
45°F
Avg low
3°C
37°F
Rainfall
189mm
#2 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.