Climate guide for Denver, United States

Denver in December

Weather, crowds & best time to visit

How to read the score (0–10)
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December · United States

Best time to visit Denver in December Weather, crowds & prices

Weather in Denver in December

Average temperature 1°C, 16 mm of rain, about 28 days with 6+ hours of sunshine and 54% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

December score

7.1/10

Ranked #10 of 12 months

Full year for Denver
Avg temp
1°C
Rainfall
16 mm
Humidity
54%
Days with 6h+ sun
28
Crowd Density
Quiet / Uncrowded
Average Expenses
$$ · Moderate Cost ($$)

December in Denver scores 7.1/10 for sightseeing and cultural travel - ranked #10 of 12. Expect around 1°C, 16 mm of rain, and roughly 28 days with 6+ hours of sunshine this month.

Mile-high parks, craft breweries, and Front Range day trips peak May through September.

December holds up well in Denver — 10th best month

December averages 1°C (34°F), cold enough that sightseeing works in bursts rather than in one long day on foot.

Expect 16 mm of rain — occasional showers rather than washed-out days — alongside about 28 days with 6+ hours of sunshine and 9.4 daylight hours.

It scores 7.1/10 here, 10th of 12 months, against 9.9/10 in the destination's best month.

Pack insulated layers, a windproof shell, gloves and boots with grip.

Figure on mid-season pricing, with crowds are light for this destination.

Flexible dates? September scores 2.8 points higher here — enough to change the trip.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Denver in December?
In December, Denver averages 1°C, 16 mm of rain, and about 28 days with 6+ hours of sunshine. Its climate-comfort score is 7.1/10.
Is December a good time to visit Denver?
December earns a 7.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Denver in December?
Expect about 16 mm of rain in December. Average humidity is 54% and there are about 28 days with 6+ hours of sunshine.

Curated in Denver

Tickets & experiences

Things to do in Denver

Denver, United States. Live activities and tours from GetYourGuide, matched to this destination.