Salt Lake County climate

Salt Lake County Weather in December

NOAA 1991-2020 normals for Salt Lake Triad Ctr, 11.7 km from Salt Lake County

Average highs run from 45°F on December 1 to 38°F on December 31, and lows from 32°F to 27°F. Normal precipitation for the month is 1.55 in over about 11 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 Salt Lake County, in °F, with the record for each date.-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
41°F
Average low
28°F
Precipitation
1.55 in
Snowfall
11.0 in
Record high
69°FDec 1, 1995
Record low
-15°FDec 15, 1972
Chance of a freeze
100%
Daylight
9 h 29 min to 9 h 19 min
Cloud cover
60%
Humidity
77%
Dew point
18°F
Wind
5.8 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 145°F32°F69°F 19956°F 199132%16%
Dec 244°F31°F60°F 201311°F 196832%16%
Dec 344°F31°F65°F 201712°F 196832%17%
Dec 444°F31°F59°F 20143°F 199232%17%
Dec 543°F30°F59°F 1949-3°F 197232%17%
Dec 643°F30°F58°F 19879°F 199233%17%
Dec 743°F30°F58°F 19811°F 195133%18%
Dec 842°F30°F57°F 1975-3°F 195133%18%
Dec 942°F29°F61°F 2015-11°F 197233%18%
Dec 1042°F29°F65°F 1981-13°F 197233%18%
Dec 1141°F29°F62°F 1993-11°F 197233%19%
Dec 1241°F29°F63°F 2014-5°F 197233%19%
Dec 1341°F28°F56°F 1996-4°F 197234%19%
Dec 1440°F28°F60°F 1977-13°F 197234%19%
Dec 1540°F28°F59°F 1977-15°F 197234%19%
Dec 1640°F28°F56°F 1957-2°F 197234%20%
Dec 1740°F28°F67°F 20253°F 197234%20%
Dec 1840°F28°F54°F 20247°F 196434%20%
Dec 1939°F27°F60°F 20253°F 197034%20%
Dec 2039°F27°F61°F 1981-7°F 199034%20%
Dec 2139°F27°F67°F 1969-9°F 199034%20%
Dec 2239°F27°F67°F 2025-10°F 199034%20%
Dec 2339°F27°F63°F 2025-11°F 199034%20%
Dec 2439°F27°F63°F 2025-7°F 199034%20%
Dec 2539°F27°F60°F 2025-4°F 194834%20%
Dec 2639°F27°F58°F 1980-2°F 194835%20%
Dec 2739°F27°F55°F 20220°F 198835%21%
Dec 2838°F27°F58°F 20050°F 199035%21%
Dec 2938°F27°F56°F 2011-7°F 199035%21%
Dec 3038°F27°F61°F 2011-9°F 199035%21%
Dec 3138°F27°F62°F 1996-7°F 199035%21%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Salt Lake County, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MST).

December 1
sunrise 7:32 AM, sunset 5:01 PM
December 31
sunrise 7:51 AM, sunset 5:10 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00427606 (Salt Lake Triad Ctr), public domain. Records: NOAA GHCN-Daily, station USW00024127, 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.