What is the weather like in Boulder vs Yellowstone National Park in December?

In December, Boulder averages 10°C high / -4°C low with about 16 mm of rain; Yellowstone National Park averages -4°C high / -15°C low with about 60 mm.

Boulder vs Yellowstone National Park in December

Boulder is the better pick in December — 67 vs 42 on SeasonMap's comfort score. Boulder is cold, dry, clean air, while Yellowstone National Park is freezing, a little rain, clean air.

Boulder vs Yellowstone National Park — December climate, side by side

	🇺🇸 Boulder	🇺🇸 Yellowstone National Park
Comfort score	67/100 (C)	42/100 (F)
Feels-like high	7°C	-9°C
Avg high / low	10° / -4°	-4° / -15°
Rainfall	16 mm	60 mm
Rainy days	2	12
Humidity	61%	83%
Air quality (AQI)	36	42

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

Month by month

Boulder vs Yellowstone National Park in December — FAQ

Is December better in Boulder or Yellowstone National Park?: Boulder is the better pick in December — 67 vs 42 on SeasonMap's comfort score. Boulder is cold, dry, clean air, while Yellowstone National Park is freezing, a little rain, clean air.
What is the weather like in Boulder vs Yellowstone National Park in December?: In December, Boulder averages 10°C high / -4°C low with about 16 mm of rain; Yellowstone National Park averages -4°C high / -15°C low with about 60 mm.