Denver climate

Denver Weather in December

NOAA 1991-2020 normals for Waterloo Muni AP, 14 km from Denver

Average highs run from 39°F on December 1 to 29°F on December 31, and lows from 22°F to 13°F. Normal precipitation for the month is 1.44 in over about 8 wet days.

December day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Denver, in °F, with the record for each date.-50-250255075151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
34°F
Average low
17°F
Precipitation
1.44 in
Snowfall
9.9 in
Record high
74°FDec 15, 2021
Record low
-29°FDec 25, 2000
Chance of a freeze
100%
Daylight
9 h 17 min to 9 h 07 min
Cloud cover
65%
Humidity
87%
Dew point
20°F
Wind
11.2 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Dec 139°F22°F63°F 1998-5°F 197127%14%
Dec 239°F21°F65°F 1973-16°F 198527%15%
Dec 339°F21°F67°F 2012-17°F 198528%15%
Dec 438°F21°F67°F 1998-15°F 202527%16%
Dec 538°F20°F67°F 2001-16°F 200527%16%
Dec 637°F20°F60°F 1951-14°F 200527%16%
Dec 737°F20°F62°F 2024-19°F 197627%16%
Dec 836°F19°F59°F 2024-15°F 197627%17%
Dec 936°F19°F55°F 2020-12°F 197727%17%
Dec 1036°F19°F60°F 2020-20°F 195827%17%
Dec 1135°F18°F61°F 1965-18°F 197627%17%
Dec 1235°F18°F58°F 1968-15°F 200027%18%
Dec 1334°F18°F57°F 1975-26°F 196127%18%
Dec 1434°F18°F57°F 1975-19°F 198527%18%
Dec 1534°F17°F74°F 2021-17°F 196127%18%
Dec 1633°F17°F53°F 2006-17°F 196327%19%
Dec 1733°F17°F50°F 1959-14°F 195027%19%
Dec 1833°F16°F57°F 2002-23°F 198327%19%
Dec 1932°F16°F52°F 1979-25°F 198527%19%
Dec 2032°F16°F53°F 1967-20°F 198327%19%
Dec 2132°F15°F52°F 1967-27°F 196327%20%
Dec 2232°F15°F54°F 2019-23°F 198327%20%
Dec 2331°F15°F52°F 1965-25°F 198927%20%
Dec 2431°F15°F57°F 2023-27°F 200027%20%
Dec 2531°F14°F59°F 2019-29°F 200027%20%
Dec 2630°F14°F52°F 1959-25°F 196227%20%
Dec 2730°F14°F52°F 1959-26°F 195027%20%
Dec 2830°F14°F62°F 1984-17°F 199327%20%
Dec 2930°F13°F53°F 2019-11°F 198327%21%
Dec 3030°F13°F60°F 1965-19°F 197627%21%
Dec 3129°F13°F59°F 1965-23°F 197627%21%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Denver, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CST).

December 1
sunrise 7:20 AM, sunset 4:37 PM
December 31
sunrise 7:39 AM, sunset 4:46 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00094910 (Waterloo Muni AP), public domain. Records: NOAA GHCN-Daily, station USW00094910, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.