What is the weather like in Mount Rainier National Park vs Portland in January?

In January, Mount Rainier National Park averages -6°C high / -11°C low with about 237 mm of rain; Portland averages 9°C high / 3°C low with about 160 mm.

Mount Rainier National Park vs Portland in January

Portland is the better pick in January — 49 vs 32 on SeasonMap's comfort score. Portland is cold, soaked, clean air, while Mount Rainier National Park is freezing, soaked, clean air.

Mount Rainier National Park vs Portland — January climate, side by side

	🇺🇸 Mount Rainier National Park	🇺🇸 Portland
Comfort score	32/100 (F)	49/100 (F)
Feels-like high	-10°C	6°C
Avg high / low	-6° / -11°	9° / 3°
Rainfall	237 mm	160 mm
Rainy days	19	18
Humidity	83%	86%
Air quality (AQI)	34	31

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

Month by month

Mount Rainier National Park vs Portland in January — FAQ

Is January better in Mount Rainier National Park or Portland?: Portland is the better pick in January — 49 vs 32 on SeasonMap's comfort score. Portland is cold, soaked, clean air, while Mount Rainier National Park is freezing, soaked, clean air.
What is the weather like in Mount Rainier National Park vs Portland in January?: In January, Mount Rainier National Park averages -6°C high / -11°C low with about 237 mm of rain; Portland averages 9°C high / 3°C low with about 160 mm.