What is the weather like in Boulder vs Denver in December?

In December, Boulder averages 10°C high / -4°C low with about 16 mm of rain; Denver averages 11°C high / -5°C low with about 12 mm.

Boulder vs Denver in December

Boulder and Denver are nearly tied in December — 67 vs 67 on SeasonMap's comfort score. Boulder is cold, dry, clean air; Denver is cold, dry, clean air.

Boulder vs Denver — December climate, side by side

	🇺🇸 Boulder	🇺🇸 Denver
Comfort score	67/100 (C)	67/100 (C)
Feels-like high	7°C	7°C
Avg high / low	10° / -4°	11° / -5°
Rainfall	16 mm	12 mm
Rainy days	2	2
Humidity	61%	56%
Air quality (AQI)	36	41

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

Month by month

Boulder 🇺🇸 United Statescold, dry, clean air · best September67
Denver 🇺🇸 United Statescold, dry, clean air · best September67

Boulder vs Denver in December — FAQ

Is December better in Boulder or Denver?: Boulder and Denver are nearly tied in December — 67 vs 67 on SeasonMap's comfort score. Boulder is cold, dry, clean air; Denver is cold, dry, clean air.
What is the weather like in Boulder vs Denver in December?: In December, Boulder averages 10°C high / -4°C low with about 16 mm of rain; Denver averages 11°C high / -5°C low with about 12 mm.