What is the weather like in Portland vs Washington in December?

In December, Portland averages 8°C high / 4°C low with about 184 mm of rain; Washington averages 9°C high / -1°C low with about 106 mm.

Portland vs Washington in December

Washington is the better pick in December — 58 vs 45 on SeasonMap's comfort score. Washington is cold, rainy, clean air, while Portland is cold, soaked, clean air.

Portland vs Washington — December climate, side by side

	Portland	Washington
Comfort score	45/100 (F)	58/100 (D)
Feels-like high	6°C	6°C
Avg high / low	8° / 4°	9° / -1°
Rainfall	184 mm	106 mm
Rainy days	18	8
Humidity	88%	71%
Air quality (AQI)	34	46

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

Portland vs Washington in December — FAQ

Is December better in Portland or Washington?: Washington is the better pick in December — 58 vs 45 on SeasonMap's comfort score. Washington is cold, rainy, clean air, while Portland is cold, soaked, clean air.
What is the weather like in Portland vs Washington in December?: In December, Portland averages 8°C high / 4°C low with about 184 mm of rain; Washington averages 9°C high / -1°C low with about 106 mm.