Typical Weather in Denver, CO in December

48° F Avg High

20° F Avg Low

1 Rainy Days

☀️ Temperature Summary

Highs in December are typically around 48°F, which is cooler than usual in Denver. You can expect overnight lows near 20°F most days. This is the coldest month of the year in Denver.

Despite it being the coolest month of the year, December is still a great time to visit Denver, with mild temperatures and sunny days being very common.

High Temps Throughout the Year

☔ Rain Summary

You can expect about a 4% chance of rain for any given day in December. It's one of the drier months of the year for Denver, with total rainfall for the month around 0 inches.