Millard 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 15°F. Normal precipitation for the month is 0.71 in over about 5 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
- 0.71 in
- Snowfall
- 6.2 in
- Record high
- 72°FDec 18, 2025
- Record low
- -30°FDec 23, 1990
- Chance of a freeze
- 100%
- Daylight
- 9 h 37 min to 9 h 29 min
- Cloud cover
- 62%
- Humidity
- 65%
- Dew point
- 19°F
- Wind
- 7.4 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 | 70°F 1995 | -4°F 2006 | 13% | 5% |
| Dec 2 | 46°F | 18°F | 65°F 1998 | -2°F 1967 | 13% | 5% |
| Dec 3 | 45°F | 17°F | 65°F 1998 | -5°F 2006 | 13% | 5% |
| Dec 4 | 45°F | 17°F | 63°F 1977 | -7°F 2006 | 13% | 5% |
| Dec 5 | 45°F | 17°F | 61°F 1975 | -21°F 2013 | 13% | 5% |
| Dec 6 | 44°F | 17°F | 61°F 1939 | -22°F 2013 | 14% | 5% |
| Dec 7 | 44°F | 16°F | 62°F 1939 | -4°F 2013 | 14% | 6% |
| Dec 8 | 43°F | 16°F | 65°F 1939 | -7°F 2013 | 14% | 6% |
| Dec 9 | 43°F | 16°F | 66°F 1939 | -20°F 1972 | 14% | 6% |
| Dec 10 | 43°F | 16°F | 64°F 1981 | -24°F 1972 | 14% | 6% |
| Dec 11 | 42°F | 16°F | 64°F 1993 | -17°F 1972 | 14% | 6% |
| Dec 12 | 42°F | 16°F | 60°F 2010 | -23°F 1972 | 14% | 6% |
| Dec 13 | 42°F | 15°F | 58°F 1996 | -10°F 1972 | 14% | 6% |
| Dec 14 | 42°F | 15°F | 60°F 1977 | -22°F 1972 | 14% | 7% |
| Dec 15 | 41°F | 15°F | 64°F 1977 | -25°F 1940 | 14% | 7% |
| Dec 16 | 41°F | 15°F | 58°F 1962 | -14°F 1940 | 14% | 7% |
| Dec 17 | 41°F | 15°F | 62°F 1939 | -9°F 1971 | 14% | 7% |
| Dec 18 | 41°F | 15°F | 72°F 2025 | -7°F 1971 | 14% | 7% |
| Dec 19 | 41°F | 15°F | 62°F 2023 | -8°F 2012 | 15% | 7% |
| Dec 20 | 41°F | 15°F | 63°F 2025 | -10°F 2012 | 15% | 7% |
| Dec 21 | 41°F | 15°F | 59°F 2025 | -20°F 1998 | 14% | 7% |
| Dec 22 | 41°F | 15°F | 64°F 2005 | -23°F 1990 | 14% | 7% |
| Dec 23 | 40°F | 15°F | 67°F 2025 | -30°F 1990 | 14% | 7% |
| Dec 24 | 40°F | 15°F | 66°F 2025 | -29°F 1990 | 14% | 7% |
| Dec 25 | 40°F | 15°F | 64°F 2025 | -15°F 1948 | 14% | 7% |
| Dec 26 | 40°F | 15°F | 58°F 1980 | -18°F 1962 | 14% | 7% |
| Dec 27 | 40°F | 15°F | 58°F 1955 | -17°F 1988 | 14% | 7% |
| Dec 28 | 40°F | 15°F | 56°F 1980 | -10°F 1962 | 14% | 7% |
| Dec 29 | 40°F | 15°F | 62°F 2024 | -15°F 1990 | 14% | 7% |
| Dec 30 | 40°F | 15°F | 56°F 2017 | -23°F 1990 | 14% | 7% |
| Dec 31 | 41°F | 15°F | 62°F 1996 | -15°F 1990 | 14% | 7% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- December 1
- sunrise 7:33 AM, sunset 5:10 PM
- December 31
- sunrise 7:51 AM, sunset 5:20 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00420730 (Black Rock), public domain. Records: NOAA GHCN-Daily, station USW00023162, 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.