What is the weather like in Aspen vs Sun Valley in December?

In December, Aspen averages 2°C high / -10°C low with about 55 mm of rain; Sun Valley averages 0°C high / -12°C low with about 63 mm.

Aspen vs Sun Valley in December

Aspen and Sun Valley are nearly tied in December — 87 vs 88 on SeasonMap's comfort score. Aspen is freezing, a little rain, clean air; Sun Valley is freezing, a little rain, clean air.

Aspen vs Sun Valley — December climate, side by side

	🇺🇸 Aspen	🇺🇸 Sun Valley
Comfort score	87/100 (A)	88/100 (A)
Feels-like high	-2°C	-3°C
Avg high / low	2° / -10°	0° / -12°
Rainfall	55 mm	63 mm
Rainy days	9	9
Humidity	72%	78%
Air quality (AQI)	46	40

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

Month by month

Aspen vs Sun Valley in December — FAQ

Is December better in Aspen or Sun Valley?: Aspen and Sun Valley are nearly tied in December — 87 vs 88 on SeasonMap's comfort score. Aspen is freezing, a little rain, clean air; Sun Valley is freezing, a little rain, clean air.
What is the weather like in Aspen vs Sun Valley in December?: In December, Aspen averages 2°C high / -10°C low with about 55 mm of rain; Sun Valley averages 0°C high / -12°C low with about 63 mm.