Denver weather in December
December in Denver: cold, dry, with clean air — a good time to visit.
#10 of 12 months in Denver · #394 of 604 destinations to visit in December · comfort 62/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Denver climate normals — December
| Daytime high | 7°C / 45°F | 🧥 cold |
|---|---|---|
| Nighttime low | -6°C / 20°F | |
| Feels like (high) | 3°C / 37°F | |
| Rainfall | 20 mm / 0.8 in | ☀️ dry |
| Rainy days | 5 days | |
| Humidity | 59% | 🍃 comfortable |
| Dew point | -9°C / 15°F | |
| Sunshine | 7.5 h/day | |
| Daylight | 9.4 h | |
| Wind | 14 km/h / 9 mph | |
| Snowfall | 11.7 cm / 4.6 in | |
| Air quality (US AQI) | 41 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Denver in December — FAQ
- Is December a good time to visit Denver?
- December in Denver: cold, dry, with clean air — a good time to visit. It ranks #10 of 12 months for Denver on SeasonMap's comfort score (62/100).
- What is the weather like in Denver in December?
- In December, Denver averages a daily high of 7.2°C and a low of -6.4°C, with about 19.6 mm of rain over roughly 4.8 rainy days.
- What is the air quality in Denver in December?
- Denver has a mean US Air Quality Index of about 41 in December.
- Does it snow in Denver in December?
- Denver sees roughly 11.7 cm of snowfall in December.