Gunnison climate

Gunnison Weather in December

NOAA 1991-2020 normals for Gunnison 3SW, 4.3 km from Gunnison

Average highs run from 34°F on December 1 to 26°F on December 31, and lows from 3°F to -7°F. Normal precipitation for the month is 0.93 in over about 6 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 Gunnison, in °F, with the record for each date.-50-250255075151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
29°F
Average low
-3°F
Precipitation
0.93 in
Snowfall
10.3 in
Record high
62°FDec 10, 1939
Record low
-47°FDec 25, 1924
Chance of a freeze
100%
Daylight
9 h 41 min to 9 h 32 min
Cloud cover
54%
Humidity
76%
Dew point
10°F
Wind
8.3 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 134°F3°F56°F 1903-23°F 202419%19%
Dec 234°F3°F58°F 1897-28°F 200419%19%
Dec 333°F2°F58°F 1901-29°F 200420%19%
Dec 433°F2°F57°F 1939-30°F 189520%20%
Dec 532°F1°F60°F 1939-28°F 195520%20%
Dec 632°F1°F58°F 1939-26°F 189820%20%
Dec 731°F0°F61°F 1939-27°F 189820%20%
Dec 831°F0°F58°F 1939-37°F 200520%21%
Dec 930°F-1°F57°F 1939-35°F 200520%21%
Dec 1030°F-1°F62°F 1939-35°F 195120%21%
Dec 1129°F-1°F54°F 1939-28°F 191321%22%
Dec 1229°F-2°F58°F 1939-33°F 196121%22%
Dec 1329°F-2°F51°F 1929-30°F 196121%22%
Dec 1428°F-3°F53°F 1893-32°F 189921%22%
Dec 1528°F-3°F55°F 1893-30°F 200521%23%
Dec 1628°F-3°F56°F 1939-32°F 200521%23%
Dec 1728°F-4°F56°F 1939-30°F 200521%23%
Dec 1827°F-4°F50°F 1959-37°F 199622%23%
Dec 1927°F-5°F49°F 1952-38°F 190922%23%
Dec 2027°F-5°F51°F 1939-35°F 189922%24%
Dec 2127°F-5°F50°F 1969-34°F 189922%24%
Dec 2226°F-5°F53°F 1982-31°F 189922%24%
Dec 2326°F-6°F53°F 1901-46°F 190522%24%
Dec 2426°F-6°F52°F 1955-32°F 189822%24%
Dec 2526°F-6°F55°F 1908-47°F 192422%25%
Dec 2626°F-6°F57°F 1980-46°F 192423%25%
Dec 2726°F-6°F50°F 1980-45°F 192423%25%
Dec 2826°F-7°F45°F 1980-35°F 189523%25%
Dec 2926°F-7°F47°F 1980-35°F 195423%25%
Dec 3026°F-7°F50°F 2017-35°F 190223%25%
Dec 3126°F-7°F54°F 2017-34°F 189823%25%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Gunnison, 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 (MST).

December 1
sunrise 7:06 AM, sunset 4:47 PM
December 31
sunrise 7:25 AM, sunset 4:57 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00053662 (Gunnison 3SW), public domain. Records: NOAA GHCN-Daily, station USC00053662, 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.