Sheridan County Weather in December
Average highs run from 42°F on December 1 to 37°F on December 31, and lows from 16°F to 12°F. Normal precipitation for the month is 0.60 in over about 3 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
- 39°F
- Average low
- 13°F
- Precipitation
- 0.60 in
- Record high
- 72°FDec 2, 2021
- Record low
- -40°FDec 21, 1983
- Chance of a freeze
- 100%
- Daylight
- 9 h 18 min to 9 h 07 min
- Cloud cover
- 61%
- Humidity
- 68%
- Dew point
- 18°F
- Wind
- 12.1 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 | 42°F | 16°F | 67°F 1970 | -7°F 1980 | 14% |
| Dec 2 | 41°F | 16°F | 72°F 2021 | -15°F 1980 | 14% |
| Dec 3 | 41°F | 15°F | 66°F 1998 | -14°F 1964 | 14% |
| Dec 4 | 41°F | 15°F | 69°F 2017 | -16°F 1909 | 14% |
| Dec 5 | 41°F | 15°F | 70°F 1939 | -14°F 2013 | 14% |
| Dec 6 | 40°F | 15°F | 70°F 1939 | -28°F 1972 | 13% |
| Dec 7 | 40°F | 14°F | 64°F 1918 | -21°F 1909 | 13% |
| Dec 8 | 40°F | 14°F | 66°F 1939 | -30°F 1917 | 13% |
| Dec 9 | 40°F | 14°F | 72°F 1939 | -36°F 1919 | 13% |
| Dec 10 | 39°F | 14°F | 64°F 2006 | -22°F 1972 | 13% |
| Dec 11 | 39°F | 14°F | 68°F 1939 | -22°F 1914 | 12% |
| Dec 12 | 39°F | 13°F | 65°F 1990 | -20°F 1932 | 12% |
| Dec 13 | 39°F | 13°F | 65°F 2014 | -25°F 1917 | 12% |
| Dec 14 | 39°F | 13°F | 62°F 1924 | -25°F 1963 | 12% |
| Dec 15 | 38°F | 13°F | 67°F 1998 | -21°F 1922 | 12% |
| Dec 16 | 38°F | 13°F | 64°F 1939 | -26°F 1922 | 12% |
| Dec 17 | 38°F | 13°F | 65°F 1939 | -31°F 1922 | 12% |
| Dec 18 | 38°F | 13°F | 64°F 1998 | -29°F 1983 | 12% |
| Dec 19 | 38°F | 13°F | 59°F 1917 | -30°F 1924 | 12% |
| Dec 20 | 38°F | 12°F | 70°F 1941 | -26°F 1924 | 11% |
| Dec 21 | 38°F | 12°F | 62°F 1933 | -40°F 1983 | 11% |
| Dec 22 | 38°F | 12°F | 64°F 1933 | -35°F 1983 | 11% |
| Dec 23 | 38°F | 12°F | 63°F 1933 | -39°F 1983 | 11% |
| Dec 24 | 38°F | 12°F | 57°F 1936 | -38°F 1983 | 11% |
| Dec 25 | 38°F | 12°F | 63°F 1963 | -30°F 1983 | 11% |
| Dec 26 | 37°F | 12°F | 61°F 1979 | -16°F 1996 | 11% |
| Dec 27 | 37°F | 12°F | 65°F 1980 | -21°F 1920 | 11% |
| Dec 28 | 37°F | 12°F | 58°F 1931 | -20°F 1941 | 11% |
| Dec 29 | 37°F | 12°F | 61°F 1965 | -25°F 1946 | 11% |
| Dec 30 | 37°F | 12°F | 60°F 2002 | -27°F 1990 | 11% |
| Dec 31 | 37°F | 12°F | 57°F 1963 | -23°F 1911 | 11% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (MST).
- December 1
- sunrise 7:00 AM, sunset 4:18 PM
- December 31
- sunrise 7:19 AM, sunset 4:26 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00253710 (Hay Springs), public domain. Records: NOAA GHCN-Daily, station USC00253355, 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.