Denver weather in December
Long-run climate averages for Denver, CO in December, plus what the forecast models say for the days ahead.
In December, Denver averages 47°F by day and 25°F at night. The wettest month is usually May.
December in Denver averages a daytime high of 47°F and an overnight low of 25°F, which reads as cool for this part of the world. It is among the three coldest months of the year here. Overnight temperatures drop below freezing, so expect frost and pack accordingly. Across the whole year Denver sees roughly 18 inches of precipitation.
Climate averages tell you what to pack. They do not tell you what next Tuesday looks like — for that, see the live Denver forecast with every model compared and how much they currently agree.
Denver weather by month
what to expect in Denver through the yearHere is Denver's typical weather in each month: the average daytime high and overnight low in °F, how each month feels, and the wettest month marked. Use it to plan any trip to Denver by season.