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Denver, Colorado Weather in December

Typical December in Denver, Colorado: days around 44°F, nights around 19°F, and the month cools about 2°F from early to late — based on 30-year climate normals (NOAA, 1991–2020), day by day below.

44°Faverage high

19°Faverage low

−2°Fearly vs late December

25°Fday-to-night swing

Traveling soon? See the live 16-day Denver forecast →

Early, mid and late December in Denver

The month split in three — the part of the answer a 30-row table hides.

Part of December	Avg high	Avg low
Early December (Dec 1–10)	45°F	20°F
Mid December (Dec 11–20)	43°F	18°F
Late December (Dec 21–31)	43°F	18°F

Daylight in Denver during December

Denver loses 13 minutes of daylight by Dec 21 and gets 3 minutes back by Dec 31.

9 h 34 minon Dec 1

9 h 21 minshortest day · Dec 21

9 h 24 minon Dec 31

Day-by-day December normals for Denver

Long-term daily averages (NOAA 1991–2020) — climate, not a live forecast. For the next 16 days, use the live forecast.

Day	Avg high	Avg low
Dec 1	47°F	21°F
Dec 2	46°F	20°F
Dec 3	46°F	20°F
Dec 4	46°F	20°F
Dec 5	45°F	20°F
Dec 6	45°F	19°F
Dec 7	45°F	19°F
Dec 8	44°F	19°F
Dec 9	44°F	19°F
Dec 10	44°F	19°F
Dec 11	44°F	18°F
Dec 12	44°F	18°F
Dec 13	44°F	18°F
Dec 14	44°F	18°F
Dec 15	43°F	18°F
Dec 16	43°F	18°F
Dec 17	43°F	18°F
Dec 18	43°F	18°F
Dec 19	43°F	18°F
Dec 20	43°F	18°F
Dec 21	43°F	18°F
Dec 22	43°F	18°F
Dec 23	43°F	18°F
Dec 24	43°F	18°F
Dec 25	43°F	18°F
Dec 26	43°F	18°F
Dec 27	44°F	18°F
Dec 28	44°F	18°F
Dec 29	44°F	18°F
Dec 30	44°F	18°F
Dec 31	44°F	18°F

December in Denver through the years

Real photos taken in Denver in December by Weathershot app users — different years, same month.

Snowy weather in Denver, 32°F — December 28, 2022 (community photo) — 🌨️ Snowy · 32°F · Dec 2022📷 M5280NYC

Snowy weather in Denver, 30°F — December 29, 2022 (community photo) — 🌨️ Snowy · 30°F · Dec 2022📷 M5280NYC

Cloudy weather in Denver, 37°F — December 20, 2023 (community photo) — ☁️ Cloudy · 37°F · Dec 2023📷 aslan

Clear night weather in Denver, 32°F — December 22, 2023 (community photo) — 🌙 Clear night · 32°F · Dec 2023📷 aslan

Weather in Denver, 28°F — December 24, 2023 (community photo) — 📷 28°F · Dec 2023📷 LESLIE JIMENEZ

Sunny weather in Denver, 46°F — December 1, 2024 (community photo) — ☀️ Sunny · 46°F · Dec 2024📷 Brayan rodriguez

Weather in Aurora, 32°F — December 3, 2025 (community photo) — 📷 32°F · Dec 2025📷 Brayan rodriguez

More months: September · October · November · January · Live Denver forecast

December elsewhere: Atlanta weather in December · Chicago weather in December · Miami weather in December · New York weather in December · Phoenix weather in December · Seattle weather in December

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The December photos above were taken with Weathershot — it stamps the real weather onto your picture. Snap one in Denver and it could land on this page.

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