Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Weather in Denver, Colorado, United States in December

In an average December, Denver sees a daily high around 42°F and a low around 23°F, based on 1981–2026 of local climate records.

Average high42°F
Typical high range29°F to 55°F
Average low23°F
Typical low range12°F to 32°F
Average daily precipitation0.00 in

December records

The most extreme December on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total December accumulation.

High

Highest 74°F 2021-12-02
Lowest 2°F 1990-12-21

Low

Highest 44°F 2021-12-02
Lowest -13°F 1983-12-24

Feels-like

Highest 37°F 2021-12-02
Lowest -36°F 1983-12-24

Humidity

Highest 5.7 g/m³ 2025-12-25
Lowest 0.6 g/m³ 1990-12-21

Wind

Highest 43 mph 2021-12-15
Lowest 4 mph 2017-12-25

Precip

Wettest 2.28 in 2006
Driest 0.19 in 1991

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