Salt Lake City weather in December
December in Salt Lake City: cold, a little rain, with very humid — one of the weakest months to visit.
#11 of 12 months in Salt Lake City · #498 of 604 destinations to visit in December · comfort 49/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Salt Lake City climate normals — December
| Daytime high | 4°C / 38°F | 🧥 cold |
|---|---|---|
| Nighttime low | -6°C / 21°F | |
| Feels like (high) | 0°C / 32°F | |
| Rainfall | 55 mm / 2.2 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | -5°C / 23°F | |
| Sunshine | 6.8 h/day | |
| Daylight | 9.3 h | |
| Wind | 11 km/h / 7 mph | |
| Snowfall | 24.7 cm / 9.7 in | |
| Air quality (US AQI) | 57 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Salt Lake City in December — FAQ
- Is December a good time to visit Salt Lake City?
- December in Salt Lake City: cold, a little rain, with very humid — one of the weakest months to visit. It ranks #11 of 12 months for Salt Lake City on SeasonMap's comfort score (49/100).
- What is the weather like in Salt Lake City in December?
- In December, Salt Lake City averages a daily high of 3.5°C and a low of -5.9°C, with about 55.1 mm of rain over roughly 9.4 rainy days.
- What is the air quality in Salt Lake City in December?
- Salt Lake City has a mean US Air Quality Index of about 57 in December.
- Does it snow in Salt Lake City in December?
- Salt Lake City sees roughly 24.7 cm of snowfall in December.