What is the weather like in Alta vs Sun Valley in January?

In January, Alta averages -3°C high / -10°C low with about 108 mm of rain; Sun Valley averages -1°C high / -14°C low with about 51 mm.

Alta vs Sun Valley in January

Alta and Sun Valley are nearly tied in January — 89 vs 86 on SeasonMap's comfort score. Alta is freezing, rainy, clean air; Sun Valley is freezing, a little rain, clean air.

Alta vs Sun Valley — January climate, side by side

	🇺🇸 Alta	🇺🇸 Sun Valley
Comfort score	89/100 (A)	86/100 (A)
Feels-like high	-3°C	-5°C
Avg high / low	-3° / -10°	-1° / -14°
Rainfall	108 mm	51 mm
Rainy days	13	9
Humidity	70%	78%
Air quality (AQI)	38	40

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

Month by month

Alta vs Sun Valley in January — FAQ

Is January better in Alta or Sun Valley?: Alta and Sun Valley are nearly tied in January — 89 vs 86 on SeasonMap's comfort score. Alta is freezing, rainy, clean air; Sun Valley is freezing, a little rain, clean air.
What is the weather like in Alta vs Sun Valley in January?: In January, Alta averages -3°C high / -10°C low with about 108 mm of rain; Sun Valley averages -1°C high / -14°C low with about 51 mm.