Shell Valley Weather in December
Average highs run from 27°F on December 1 to 18°F on December 31, and lows from 8°F to -2°F. Normal precipitation for the month is 0.45 in.
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
- 22°F
- Average low
- 2°F
- Precipitation
- 0.45 in
- Record high
- 64°FDec 6, 1939
- Record low
- -37°FDec 23, 1983
- Chance of a freeze
- 100%
- Daylight
- 8 h 33 min to 8 h 20 min
- Cloud cover
- 65%
- Humidity
- 91%
- Dew point
- 9°F
- Wind
- 10.1 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 | 27°F | 8°F | 53°F 1969 | -18°F 1966 | |
| Dec 2 | 26°F | 8°F | 49°F 1994 | -19°F 1964 | |
| Dec 3 | 26°F | 7°F | 51°F 1988 | -22°F 1972 | |
| Dec 4 | 25°F | 7°F | 51°F 1941 | -19°F 1972 | |
| Dec 5 | 25°F | 6°F | 51°F 1939 | -20°F 1972 | |
| Dec 6 | 24°F | 6°F | 64°F 1939 | -30°F 1972 | |
| Dec 7 | 24°F | 6°F | 54°F 1939 | -26°F 1972 | |
| Dec 8 | 24°F | 5°F | 43°F 1984 | -22°F 1972 | |
| Dec 9 | 23°F | 5°F | 53°F 1939 | -30°F 1977 | |
| Dec 10 | 23°F | 4°F | 47°F 1974 | -29°F 1948 | |
| Dec 11 | 23°F | 4°F | 56°F 1939 | -24°F 1945 | |
| Dec 12 | 22°F | 4°F | 42°F 1939 | -24°F 1940 | |
| Dec 13 | 22°F | 3°F | 43°F 1997 | -24°F 1973 | |
| Dec 14 | 22°F | 3°F | 41°F 1997 | -25°F 1989 | |
| Dec 15 | 21°F | 3°F | 50°F 1998 | -28°F 1989 | |
| Dec 16 | 21°F | 2°F | 50°F 1962 | -27°F 1951 | |
| Dec 17 | 21°F | 2°F | 51°F 1939 | -28°F 1951 | |
| Dec 18 | 21°F | 2°F | 46°F 1962 | -28°F 1951 | |
| Dec 19 | 20°F | 1°F | 44°F 1954 | -32°F 1989 | |
| Dec 20 | 20°F | 1°F | 44°F 1957 | -33°F 1989 | |
| Dec 21 | 20°F | 1°F | 46°F 1979 | -34°F 1989 | |
| Dec 22 | 20°F | 0°F | 50°F 1954 | -31°F 1983 | |
| Dec 23 | 19°F | 0°F | 49°F 1940 | -37°F 1983 | |
| Dec 24 | 19°F | 0°F | 44°F 1994 | -35°F 1983 | |
| Dec 25 | 19°F | -1°F | 50°F 1999 | -28°F 1996 | |
| Dec 26 | 19°F | -1°F | 48°F 1947 | -28°F 1990 | |
| Dec 27 | 19°F | -1°F | 44°F 2005 | -27°F 1904 | |
| Dec 28 | 19°F | -2°F | 45°F 1999 | -23°F 1992 | |
| Dec 29 | 18°F | -2°F | 45°F 1999 | -31°F 1938 | |
| Dec 30 | 18°F | -2°F | 43°F 1999 | -30°F 1990 | |
| Dec 31 | 18°F | -2°F | 44°F 1980 | -37°F 1967 |
Chance of rain
Sunrise and sunset
Times for 2026, local time (CST).
- December 1
- sunrise 8:12 AM, sunset 4:45 PM
- December 31
- sunrise 8:33 AM, sunset 4:53 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00320626 (Belcourt Keya Radio), public domain. Records: NOAA GHCN-Daily, station USC00327664, 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.