What is the weather like in Boulder vs Salt Lake City in December?

In December, Boulder averages 10°C high / -4°C low with about 16 mm of rain; Salt Lake City averages 5°C high / -4°C low with about 31 mm.

Boulder vs Salt Lake City in December

Boulder is the better pick in December — 67 vs 53 on SeasonMap's comfort score. Boulder is cold, dry, clean air, while Salt Lake City is cold, a little rain, muggy air.

Boulder vs Salt Lake City — December climate, side by side

	🇺🇸 Boulder	🇺🇸 Salt Lake City
Comfort score	67/100 (C)	53/100 (D)
Feels-like high	7°C	1°C
Avg high / low	10° / -4°	5° / -4°
Rainfall	16 mm	31 mm
Rainy days	2	5
Humidity	61%	76%
Air quality (AQI)	36	57

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

Month by month

Boulder vs Salt Lake City in December — FAQ

Is December better in Boulder or Salt Lake City?: Boulder is the better pick in December — 67 vs 53 on SeasonMap's comfort score. Boulder is cold, dry, clean air, while Salt Lake City is cold, a little rain, muggy air.
What is the weather like in Boulder vs Salt Lake City in December?: In December, Boulder averages 10°C high / -4°C low with about 16 mm of rain; Salt Lake City averages 5°C high / -4°C low with about 31 mm.