What is the weather like in Seattle vs Vancouver in December?

In December, Seattle averages 8°C high / 2°C low with about 103 mm of rain; Vancouver averages 7°C high / 3°C low with about 184 mm.

Seattle vs Vancouver in December

Seattle is the better pick in December — 49 vs 40 on SeasonMap's comfort score. Seattle is cold, rainy, clean air, while Vancouver is cold, soaked, clean air.

Seattle vs Vancouver — December climate, side by side

	🇺🇸 Seattle	🇨🇦 Vancouver
Comfort score	49/100 (F)	40/100 (F)
Feels-like high	5°C	3°C
Avg high / low	8° / 2°	7° / 3°
Rainfall	103 mm	184 mm
Rainy days	14	18
Humidity	87%	87%
Air quality (AQI)	38	37

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

Month by month

Seattle 🇺🇸 United Statescold, rainy, clean air · best July49
Vancouver 🇨🇦 Canadacold, soaked, clean air · best July40

Seattle vs Vancouver in December — FAQ

Is December better in Seattle or Vancouver?: Seattle is the better pick in December — 49 vs 40 on SeasonMap's comfort score. Seattle is cold, rainy, clean air, while Vancouver is cold, soaked, clean air.
What is the weather like in Seattle vs Vancouver in December?: In December, Seattle averages 8°C high / 2°C low with about 103 mm of rain; Vancouver averages 7°C high / 3°C low with about 184 mm.