What is the weather like in Portland vs Seattle in January?

In January, Portland averages 9°C high / 3°C low with about 160 mm of rain; Seattle averages 9°C high / 2°C low with about 101 mm.

Portland vs Seattle in January

Portland and Seattle are nearly tied in January — 49 vs 52 on SeasonMap's comfort score. Portland is cold, soaked, clean air; Seattle is cold, rainy, clean air.

Portland vs Seattle — January climate, side by side

	🇺🇸 Portland	🇺🇸 Seattle
Comfort score	49/100 (F)	52/100 (D)
Feels-like high	6°C	6°C
Avg high / low	9° / 3°	9° / 2°
Rainfall	160 mm	101 mm
Rainy days	18	13
Humidity	86%	85%
Air quality (AQI)	31	34

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Portland 🇺🇸 United Statescold, soaked, clean air · best June49
Seattle 🇺🇸 United Statescold, rainy, clean air · best July52

Portland vs Seattle in January — FAQ

Is January better in Portland or Seattle?: Portland and Seattle are nearly tied in January — 49 vs 52 on SeasonMap's comfort score. Portland is cold, soaked, clean air; Seattle is cold, rainy, clean air.
What is the weather like in Portland vs Seattle in January?: In January, Portland averages 9°C high / 3°C low with about 160 mm of rain; Seattle averages 9°C high / 2°C low with about 101 mm.