Cheyenne climate

Cheyenne Weather in December

NOAA 1991-2020 normals for Cheyenne 6SW Mesonet, 9.1 km from Cheyenne

Average highs run from 54°F on December 1 to 48°F on December 31, and lows from 33°F to 27°F. Normal precipitation for the month is 1.05 in.

December day by day

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

Normal daily high and low temperature at Cheyenne, in °F, with the record for each date.-20020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
50°F
Average low
29°F
Precipitation
1.05 in
Snowfall
2.3 in
Record high
88°FDec 24, 1955
Record low
-9°FDec 23, 1989
Chance of a freeze
100%
Daylight
9 h 55 min to 9 h 48 min
Cloud cover
51%
Humidity
67%
Dew point
27°F
Wind
10.7 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 154°F33°F76°F 19507°F 20061%
Dec 254°F33°F79°F 20216°F 19851%
Dec 353°F32°F79°F 202116°F 19291%
Dec 453°F32°F76°F 195415°F 19721%
Dec 552°F32°F81°F 202113°F 19501%
Dec 652°F31°F79°F 19394°F 19502%
Dec 752°F31°F79°F 19663°F 19502%
Dec 851°F31°F75°F 19700°F 20052%
Dec 951°F31°F77°F 19930°F 20052%
Dec 1051°F30°F81°F 19339°F 19322%
Dec 1151°F30°F75°F 194810°F 19322%
Dec 1250°F30°F75°F 19482°F 19322%
Dec 1350°F30°F77°F 19953°F 19612%
Dec 1450°F29°F76°F 20217°F 19632%
Dec 1550°F29°F81°F 20211°F 19892%
Dec 1649°F29°F76°F 20162°F 19722%
Dec 1749°F29°F77°F 1939-1°F 19323%
Dec 1849°F29°F74°F 19782°F 20163%
Dec 1949°F29°F74°F 19783°F 19833%
Dec 2049°F28°F73°F 19542°F 19833%
Dec 2149°F28°F75°F 20040°F 19833%
Dec 2249°F28°F82°F 1969-6°F 19833%
Dec 2348°F28°F76°F 1933-9°F 19893%
Dec 2448°F28°F88°F 1955-1°F 19833%
Dec 2548°F28°F88°F 2025-2°F 19833%
Dec 2648°F28°F84°F 20219°F 19113%
Dec 2748°F28°F81°F 20258°F 19113%
Dec 2848°F28°F77°F 192811°F 19663%
Dec 2948°F27°F77°F 19510°F 19833%
Dec 3048°F27°F75°F 19561°F 19833%
Dec 3148°F27°F78°F 19510°F 19273%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Cheyenne, in percent, and of at least 0.1 inch of snowfall.01231102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CST).

December 1
sunrise 7:30 AM, sunset 5:25 PM
December 31
sunrise 7:48 AM, sunset 5:36 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00341743 (Cheyenne 6SW Mesonet), public domain. Records: NOAA GHCN-Daily, station USC00342849, 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.