What is the weather like in Aspen vs Rocky Mountain National Park in December?

In December, Aspen averages 2°C high / -10°C low with about 55 mm of rain; Rocky Mountain National Park averages -2°C high / -9°C low with about 75 mm.

Aspen vs Rocky Mountain National Park in December

Aspen is the better pick in December — 87 vs 47 on SeasonMap's comfort score. Aspen is freezing, a little rain, clean air, while Rocky Mountain National Park is freezing, a little rain, clean air.

Aspen vs Rocky Mountain National Park — December climate, side by side

	🇺🇸 Aspen	🇺🇸 Rocky Mountain National Park
Comfort score	87/100 (A)	47/100 (F)
Feels-like high	-2°C	-7°C
Avg high / low	2° / -10°	-2° / -9°
Rainfall	55 mm	75 mm
Rainy days	9	13
Humidity	72%	68%
Air quality (AQI)	46	44

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

Month by month

Aspen 🇺🇸 United Statesfreezing, a little rain, clean air · best January87
Rocky Mountain National Park 🇺🇸 United Statesfreezing, a little rain, clean air · best August47

Aspen vs Rocky Mountain National Park in December — FAQ

Is December better in Aspen or Rocky Mountain National Park?: Aspen is the better pick in December — 87 vs 47 on SeasonMap's comfort score. Aspen is freezing, a little rain, clean air, while Rocky Mountain National Park is freezing, a little rain, clean air.
What is the weather like in Aspen vs Rocky Mountain National Park in December?: In December, Aspen averages 2°C high / -10°C low with about 55 mm of rain; Rocky Mountain National Park averages -2°C high / -9°C low with about 75 mm.