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

In January, Mount Rainier National Park averages -6°C high / -11°C low with about 237 mm of rain; Olympic National Park averages 3°C high / -3°C low with about 527 mm.

Mount Rainier National Park vs Olympic National Park in January

Olympic National Park is the better pick in January — 39 vs 32 on SeasonMap's comfort score. Olympic National Park is freezing, soaked, clean air, while Mount Rainier National Park is freezing, soaked, clean air.

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

	🇺🇸 Mount Rainier National Park	🇺🇸 Olympic National Park
Comfort score	32/100 (F)	39/100 (F)
Feels-like high	-10°C	-1°C
Avg high / low	-6° / -11°	3° / -3°
Rainfall	237 mm	527 mm
Rainy days	19	20
Humidity	83%	89%
Air quality (AQI)	34	31

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

Month by month

Mount Rainier National Park 🇺🇸 United Statesfreezing, soaked, clean air · best August32
Olympic National Park 🇺🇸 United Statesfreezing, soaked, clean air · best August39

Mount Rainier National Park vs Olympic National Park in January — FAQ

Is January better in Mount Rainier National Park or Olympic National Park?: Olympic National Park is the better pick in January — 39 vs 32 on SeasonMap's comfort score. Olympic National Park is freezing, soaked, clean air, while Mount Rainier National Park is freezing, soaked, clean air.
What is the weather like in Mount Rainier National Park vs Olympic National Park in January?: In January, Mount Rainier National Park averages -6°C high / -11°C low with about 237 mm of rain; Olympic National Park averages 3°C high / -3°C low with about 527 mm.