What is the weather like in North Cascades National Park vs Portland in December?

In December, North Cascades National Park averages -7°C high / -12°C low with about 304 mm of rain; Portland averages 8°C high / 4°C low with about 184 mm.

North Cascades National Park vs Portland in December

Portland is the better pick in December — 45 vs 26 on SeasonMap's comfort score. Portland is cold, soaked, clean air, while North Cascades National Park is freezing, soaked, clean air.

North Cascades National Park vs Portland — December climate, side by side

	🇺🇸 North Cascades National Park	🇺🇸 Portland
Comfort score	26/100 (F)	45/100 (F)
Feels-like high	-11°C	6°C
Avg high / low	-7° / -12°	8° / 4°
Rainfall	304 mm	184 mm
Rainy days	20	18
Humidity	86%	88%
Air quality (AQI)	37	34

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

Month by month

North Cascades National Park vs Portland in December — FAQ

Is December better in North Cascades National Park or Portland?: Portland is the better pick in December — 45 vs 26 on SeasonMap's comfort score. Portland is cold, soaked, clean air, while North Cascades National Park is freezing, soaked, clean air.
What is the weather like in North Cascades National Park vs Portland in December?: In December, North Cascades National Park averages -7°C high / -12°C low with about 304 mm of rain; Portland averages 8°C high / 4°C low with about 184 mm.