Box Elder County Weather in December
Average highs run from 38°F on December 1 to 34°F on December 31, and lows from 20°F to 15°F. Normal precipitation for the month is 1.26 in over about 9 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
- 35°F
- Average low
- 17°F
- Precipitation
- 1.26 in
- Record high
- 69°FDec 1, 1995
- Record low
- -26°FDec 23, 1990
- Chance of a freeze
- 100%
- Daylight
- 9 h 23 min to 9 h 13 min
- Cloud cover
- 68%
- Humidity
- 75%
- Dew point
- 20°F
- Wind
- 6.5 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Dec 1 | 38°F | 20°F | 69°F 1995 | 5°F 2019 | 22% |
| Dec 2 | 38°F | 19°F | 63°F 1995 | 5°F 2022 | 23% |
| Dec 3 | 37°F | 19°F | 61°F 1998 | 7°F 2006 | 23% |
| Dec 4 | 37°F | 19°F | 54°F 2014 | 1°F 2018 | 24% |
| Dec 5 | 37°F | 19°F | 55°F 2021 | 2°F 1998 | 24% |
| Dec 6 | 36°F | 18°F | 56°F 2014 | 1°F 1998 | 24% |
| Dec 7 | 36°F | 18°F | 53°F 2014 | -2°F 2013 | 25% |
| Dec 8 | 36°F | 18°F | 57°F 2025 | -7°F 2013 | 25% |
| Dec 9 | 35°F | 18°F | 62°F 2015 | -16°F 2013 | 25% |
| Dec 10 | 35°F | 17°F | 63°F 2025 | -10°F 2013 | 25% |
| Dec 11 | 35°F | 17°F | 57°F 1995 | -5°F 2013 | 26% |
| Dec 12 | 35°F | 17°F | 60°F 2014 | -6°F 2013 | 26% |
| Dec 13 | 35°F | 17°F | 59°F 2014 | -4°F 2013 | 26% |
| Dec 14 | 34°F | 17°F | 59°F 2006 | -2°F 2013 | 26% |
| Dec 15 | 34°F | 17°F | 57°F 2006 | 2°F 2013 | 27% |
| Dec 16 | 34°F | 16°F | 48°F 2000 | 2°F 1992 | 27% |
| Dec 17 | 34°F | 16°F | 65°F 2025 | -1°F 2013 | 27% |
| Dec 18 | 34°F | 16°F | 47°F 1999 | 1°F 2006 | 27% |
| Dec 19 | 34°F | 16°F | 60°F 2025 | -1°F 1992 | 27% |
| Dec 20 | 34°F | 16°F | 52°F 2025 | 1°F 1998 | 27% |
| Dec 21 | 34°F | 16°F | 64°F 2025 | -9°F 1990 | 28% |
| Dec 22 | 34°F | 16°F | 65°F 2025 | -9°F 1990 | 28% |
| Dec 23 | 34°F | 16°F | 57°F 2025 | -26°F 1990 | 28% |
| Dec 24 | 34°F | 16°F | 62°F 2025 | -22°F 1990 | 28% |
| Dec 25 | 34°F | 16°F | 60°F 2025 | -17°F 1990 | 28% |
| Dec 26 | 34°F | 16°F | 56°F 2025 | -10°F 1990 | 28% |
| Dec 27 | 34°F | 15°F | 57°F 2025 | -11°F 1990 | 28% |
| Dec 28 | 34°F | 15°F | 56°F 2025 | -9°F 1990 | 28% |
| Dec 29 | 34°F | 15°F | 58°F 1998 | -2°F 2012 | 28% |
| Dec 30 | 34°F | 15°F | 58°F 2011 | -20°F 1990 | 28% |
| Dec 31 | 34°F | 15°F | 59°F 1996 | -15°F 1990 | 28% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (MST).
- December 1
- sunrise 7:40 AM, sunset 5:03 PM
- December 31
- sunrise 7:59 AM, sunset 5:12 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00427408 (Rosette), public domain. Records: NOAA GHCN-Daily, station USC00428978, 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.