Petroleum County Weather in December
Average highs run from 39°F on December 1 to 33°F on December 31, and lows from 13°F to 6°F. Normal precipitation for the month is 0.49 in over about 4 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
- 9°F
- Precipitation
- 0.49 in
- Snowfall
- 6.8 in
- Record high
- 78°FDec 5, 1939
- Record low
- -39°FDec 24, 1983
- Chance of a freeze
- 100%
- Daylight
- 8 h 46 min to 8 h 34 min
- Cloud cover
- 69%
- Humidity
- 71%
- Dew point
- 18°F
- Wind
- 10.7 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 | 39°F | 13°F | 70°F 1988 | -18°F 1985 | 11% | 8% |
| Dec 2 | 39°F | 13°F | 66°F 1959 | -27°F 1985 | 11% | 8% |
| Dec 3 | 39°F | 12°F | 67°F 1987 | -17°F 1972 | 11% | 8% |
| Dec 4 | 38°F | 12°F | 68°F 1988 | -23°F 1972 | 11% | 8% |
| Dec 5 | 38°F | 12°F | 78°F 1939 | -23°F 1956 | 11% | 8% |
| Dec 6 | 38°F | 11°F | 68°F 1939 | -31°F 1956 | 11% | 8% |
| Dec 7 | 37°F | 11°F | 63°F 1939 | -29°F 2013 | 11% | 8% |
| Dec 8 | 37°F | 11°F | 66°F 1940 | -36°F 1972 | 11% | 8% |
| Dec 9 | 37°F | 11°F | 67°F 1975 | -29°F 1977 | 11% | 8% |
| Dec 10 | 36°F | 10°F | 64°F 1939 | -16°F 1972 | 11% | 8% |
| Dec 11 | 36°F | 10°F | 68°F 1939 | -23°F 1961 | 11% | 8% |
| Dec 12 | 36°F | 10°F | 64°F 1962 | -19°F 1949 | 12% | 8% |
| Dec 13 | 36°F | 9°F | 63°F 1960 | -14°F 1972 | 12% | 8% |
| Dec 14 | 35°F | 9°F | 65°F 1997 | -20°F 1951 | 12% | 9% |
| Dec 15 | 35°F | 9°F | 69°F 1962 | -25°F 1945 | 12% | 9% |
| Dec 16 | 35°F | 9°F | 67°F 1980 | -31°F 1964 | 12% | 9% |
| Dec 17 | 35°F | 8°F | 67°F 1976 | -27°F 2016 | 12% | 9% |
| Dec 18 | 34°F | 8°F | 67°F 1979 | -29°F 1955 | 13% | 9% |
| Dec 19 | 34°F | 8°F | 66°F 2004 | -22°F 1990 | 13% | 9% |
| Dec 20 | 34°F | 8°F | 65°F 1941 | -27°F 1951 | 13% | 9% |
| Dec 21 | 34°F | 7°F | 65°F 1954 | -37°F 1989 | 13% | 10% |
| Dec 22 | 34°F | 7°F | 60°F 1940 | -37°F 1989 | 13% | 10% |
| Dec 23 | 34°F | 7°F | 61°F 1936 | -24°F 1983 | 13% | 10% |
| Dec 24 | 33°F | 7°F | 63°F 1999 | -39°F 1983 | 14% | 10% |
| Dec 25 | 33°F | 7°F | 60°F 1947 | -20°F 1983 | 14% | 10% |
| Dec 26 | 33°F | 7°F | 64°F 1980 | -30°F 1983 | 14% | 10% |
| Dec 27 | 33°F | 6°F | 67°F 1980 | -22°F 1965 | 14% | 11% |
| Dec 28 | 33°F | 6°F | 62°F 1956 | -31°F 1984 | 14% | 11% |
| Dec 29 | 33°F | 6°F | 68°F 1956 | -36°F 1968 | 15% | 11% |
| Dec 30 | 33°F | 6°F | 63°F 1980 | -32°F 1968 | 15% | 11% |
| Dec 31 | 33°F | 6°F | 59°F 1963 | -26°F 1992 | 15% | 11% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- December 1
- sunrise 7:39 AM, sunset 4:25 PM
- December 31
- sunrise 7:59 AM, sunset 4:33 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00248498 (Valentine), public domain. Records: NOAA GHCN-Daily, station USC00243727, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.