Iron County Weather in December
Average highs run from 46°F on December 1 to 41°F on December 31, and lows from 18°F to 16°F. Normal precipitation for the month is 0.88 in over about 6 wet days.
December day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
December at a glance
- Average high
- 42°F
- Average low
- 16°F
- Precipitation
- 0.88 in
- Snowfall
- 13.2 in
- Record high
- 68°FDec 3, 1977
- Record low
- -23°FDec 23, 1990
- Chance of a freeze
- 100%
- Daylight
- 9 h 44 min to 9 h 35 min
- Cloud cover
- 56%
- Humidity
- 63%
- Dew point
- 18°F
- Wind
- 9.6 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.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Dec 1 | 46°F | 18°F | 65°F 1995 | 0°F 2004 | 19% | 13% |
| Dec 2 | 46°F | 18°F | 64°F 1977 | -4°F 1967 | 19% | 13% |
| Dec 3 | 45°F | 18°F | 68°F 1977 | -1°F 2004 | 19% | 14% |
| Dec 4 | 45°F | 17°F | 66°F 1958 | -11°F 2013 | 19% | 14% |
| Dec 5 | 44°F | 17°F | 64°F 1958 | -18°F 2013 | 19% | 14% |
| Dec 6 | 44°F | 17°F | 62°F 1958 | -19°F 2013 | 19% | 14% |
| Dec 7 | 44°F | 17°F | 67°F 1959 | -15°F 1951 | 19% | 15% |
| Dec 8 | 43°F | 17°F | 64°F 1981 | -14°F 1951 | 20% | 15% |
| Dec 9 | 43°F | 16°F | 65°F 1981 | -16°F 1951 | 20% | 15% |
| Dec 10 | 43°F | 16°F | 66°F 1950 | -14°F 1972 | 20% | 16% |
| Dec 11 | 42°F | 16°F | 64°F 1950 | -11°F 1961 | 20% | 16% |
| Dec 12 | 42°F | 16°F | 63°F 1950 | -15°F 1949 | 20% | 16% |
| Dec 13 | 42°F | 16°F | 64°F 1988 | -7°F 1949 | 20% | 17% |
| Dec 14 | 42°F | 16°F | 64°F 1977 | -4°F 1972 | 20% | 17% |
| Dec 15 | 42°F | 16°F | 63°F 1981 | -3°F 1972 | 20% | 17% |
| Dec 16 | 41°F | 16°F | 66°F 1958 | -1°F 2001 | 20% | 17% |
| Dec 17 | 41°F | 16°F | 66°F 2025 | -3°F 2016 | 20% | 17% |
| Dec 18 | 41°F | 16°F | 67°F 1958 | -5°F 2016 | 20% | 18% |
| Dec 19 | 41°F | 16°F | 60°F 1958 | -7°F 1992 | 20% | 18% |
| Dec 20 | 41°F | 16°F | 63°F 2024 | -10°F 2012 | 20% | 18% |
| Dec 21 | 41°F | 16°F | 61°F 2005 | -13°F 1990 | 20% | 18% |
| Dec 22 | 41°F | 16°F | 64°F 2025 | -20°F 1990 | 20% | 18% |
| Dec 23 | 41°F | 16°F | 63°F 2025 | -23°F 1990 | 20% | 18% |
| Dec 24 | 41°F | 16°F | 60°F 1964 | -21°F 1990 | 20% | 18% |
| Dec 25 | 41°F | 16°F | 62°F 1980 | -16°F 1962 | 20% | 18% |
| Dec 26 | 41°F | 16°F | 61°F 1955 | -15°F 1962 | 20% | 18% |
| Dec 27 | 41°F | 16°F | 66°F 1980 | -12°F 1990 | 20% | 18% |
| Dec 28 | 41°F | 16°F | 59°F 1980 | -11°F 1966 | 20% | 18% |
| Dec 29 | 41°F | 16°F | 62°F 2017 | -5°F 1948 | 20% | 18% |
| Dec 30 | 41°F | 16°F | 61°F 2017 | -14°F 1990 | 20% | 18% |
| Dec 31 | 41°F | 16°F | 59°F 1980 | -9°F 1990 | 20% | 17% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- December 1
- sunrise 7:30 AM, sunset 5:14 PM
- December 31
- sunrise 7:49 AM, sunset 5:24 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00093129 (Cedar City Muni AP), public domain. Records: NOAA GHCN-Daily, station USW00093129, 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.