Big Timber Weather in December
Average highs run from 40°F on December 1 to 37°F on December 31, and lows from 22°F to 19°F. Normal precipitation for the month is 0.73 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
- 37°F
- Average low
- 20°F
- Precipitation
- 0.73 in
- Snowfall
- 10.2 in
- Record high
- 80°FDec 30, 1897
- Record low
- -38°FDec 24, 1983
- Chance of a freeze
- 100%
- Daylight
- 8 h 56 min to 8 h 44 min
- Cloud cover
- 68%
- Humidity
- 81%
- Dew point
- 15°F
- Wind
- 13.2 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 | 40°F | 22°F | 65°F 2021 | -16°F 2014 | 15% | 7% |
| Dec 2 | 40°F | 22°F | 67°F 2021 | -24°F 1919 | 15% | 8% |
| Dec 3 | 39°F | 22°F | 61°F 1939 | -14°F 1909 | 14% | 8% |
| Dec 4 | 39°F | 21°F | 64°F 1939 | -17°F 1972 | 14% | 8% |
| Dec 5 | 39°F | 21°F | 70°F 1939 | -30°F 1909 | 14% | 8% |
| Dec 6 | 38°F | 21°F | 65°F 1939 | -24°F 1972 | 14% | 8% |
| Dec 7 | 38°F | 21°F | 63°F 1939 | -28°F 1909 | 14% | 8% |
| Dec 8 | 38°F | 20°F | 65°F 1939 | -28°F 1972 | 14% | 8% |
| Dec 9 | 38°F | 20°F | 65°F 1957 | -30°F 1932 | 14% | 8% |
| Dec 10 | 37°F | 20°F | 67°F 1939 | -15°F 1919 | 14% | 8% |
| Dec 11 | 37°F | 20°F | 62°F 1934 | -25°F 1932 | 14% | 8% |
| Dec 12 | 37°F | 20°F | 64°F 1895 | -23°F 1922 | 15% | 8% |
| Dec 13 | 37°F | 19°F | 62°F 1896 | -17°F 1922 | 15% | 8% |
| Dec 14 | 37°F | 19°F | 67°F 1924 | -20°F 2008 | 15% | 8% |
| Dec 15 | 37°F | 19°F | 64°F 1980 | -22°F 1897 | 15% | 9% |
| Dec 16 | 37°F | 19°F | 63°F 1962 | -23°F 1964 | 15% | 9% |
| Dec 17 | 36°F | 19°F | 63°F 1980 | -29°F 2016 | 15% | 9% |
| Dec 18 | 36°F | 19°F | 62°F 1931 | -31°F 1924 | 15% | 9% |
| Dec 19 | 36°F | 19°F | 58°F 1941 | -20°F 1990 | 15% | 9% |
| Dec 20 | 36°F | 19°F | 61°F 2024 | -22°F 1990 | 15% | 9% |
| Dec 21 | 36°F | 19°F | 60°F 1896 | -33°F 1983 | 15% | 9% |
| Dec 22 | 36°F | 19°F | 64°F 1896 | -32°F 1990 | 15% | 9% |
| Dec 23 | 36°F | 19°F | 58°F 1933 | -27°F 2022 | 16% | 9% |
| Dec 24 | 36°F | 19°F | 57°F 1950 | -38°F 1983 | 16% | 10% |
| Dec 25 | 36°F | 18°F | 59°F 2005 | -25°F 1983 | 16% | 10% |
| Dec 26 | 36°F | 18°F | 60°F 1980 | -29°F 1996 | 16% | 10% |
| Dec 27 | 37°F | 19°F | 63°F 1980 | -17°F 1965 | 16% | 10% |
| Dec 28 | 37°F | 19°F | 65°F 1921 | -16°F 1990 | 16% | 10% |
| Dec 29 | 37°F | 19°F | 59°F 1956 | -22°F 1968 | 16% | 10% |
| Dec 30 | 37°F | 19°F | 80°F 1897 | -28°F 1968 | 16% | 10% |
| Dec 31 | 37°F | 19°F | 59°F 1917 | -38°F 1923 | 16% | 10% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MST).
- December 1
- sunrise 7:41 AM, sunset 4:37 PM
- December 31
- sunrise 8:01 AM, sunset 4:45 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00240780 (Big Timber), public domain. Records: NOAA GHCN-Daily, station USC00240780, 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.