Teton Weather in December
Average highs run from 33°F on December 1 to 27°F on December 31, and lows from 17°F to 12°F. Normal precipitation for the month is 1.41 in over about 11 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
- 29°F
- Average low
- 13°F
- Precipitation
- 1.41 in
- Snowfall
- 20.2 in
- Record high
- 54°FDec 9, 2015
- Record low
- -22°FDec 21, 1998
- Chance of a freeze
- 100%
- Daylight
- 9 h 09 min to 8 h 58 min
- Cloud cover
- 68%
- Humidity
- 94%
- Dew point
- 13°F
- Wind
- 6.7 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 | 33°F | 17°F | 52°F 2012 | 3°F 2015 | 31% | 25% |
| Dec 2 | 33°F | 16°F | 52°F 2021 | -5°F 2009 | 31% | 25% |
| Dec 3 | 32°F | 16°F | 52°F 1998 | -6°F 2009 | 32% | 26% |
| Dec 4 | 32°F | 16°F | 51°F 2021 | -4°F 2009 | 32% | 26% |
| Dec 5 | 32°F | 16°F | 49°F 2021 | -6°F 2018 | 32% | 27% |
| Dec 6 | 31°F | 15°F | 49°F 2023 | -6°F 2005 | 32% | 27% |
| Dec 7 | 31°F | 15°F | 44°F 2003 | -14°F 2005 | 32% | 27% |
| Dec 8 | 31°F | 15°F | 46°F 2006 | -14°F 2005 | 33% | 28% |
| Dec 9 | 30°F | 14°F | 54°F 2015 | -6°F 2005 | 33% | 28% |
| Dec 10 | 30°F | 14°F | 52°F 2025 | -15°F 2009 | 33% | 28% |
| Dec 11 | 30°F | 14°F | 52°F 2025 | -11°F 2009 | 33% | 28% |
| Dec 12 | 29°F | 14°F | 47°F 2025 | 0°F 2005 | 34% | 28% |
| Dec 13 | 29°F | 13°F | 47°F 2025 | -3°F 2020 | 34% | 29% |
| Dec 14 | 29°F | 13°F | 50°F 2002 | -4°F 2008 | 34% | 29% |
| Dec 15 | 29°F | 13°F | 48°F 2025 | -4°F 2001 | 34% | 29% |
| Dec 16 | 28°F | 13°F | 53°F 2025 | -5°F 2016 | 34% | 29% |
| Dec 17 | 28°F | 13°F | 54°F 2025 | -18°F 2016 | 34% | 29% |
| Dec 18 | 28°F | 13°F | 40°F 2024 | -7°F 2005 | 34% | 29% |
| Dec 19 | 28°F | 12°F | 47°F 2023 | -11°F 2016 | 34% | 29% |
| Dec 20 | 28°F | 12°F | 45°F 2023 | -14°F 1998 | 34% | 29% |
| Dec 21 | 27°F | 12°F | 45°F 2023 | -22°F 1998 | 34% | 29% |
| Dec 22 | 27°F | 12°F | 48°F 2025 | -15°F 1998 | 34% | 29% |
| Dec 23 | 27°F | 12°F | 49°F 2025 | -17°F 1998 | 34% | 28% |
| Dec 24 | 27°F | 12°F | 53°F 2025 | -10°F 2001 | 34% | 28% |
| Dec 25 | 27°F | 12°F | 53°F 2025 | -11°F 2001 | 34% | 28% |
| Dec 26 | 27°F | 12°F | 47°F 2025 | -12°F 2001 | 34% | 28% |
| Dec 27 | 27°F | 12°F | 45°F 2004 | -16°F 2015 | 34% | 28% |
| Dec 28 | 27°F | 12°F | 44°F 2002 | -8°F 2015 | 34% | 28% |
| Dec 29 | 27°F | 12°F | 49°F 2011 | -9°F 2015 | 34% | 28% |
| Dec 30 | 27°F | 12°F | 49°F 2011 | -8°F 2015 | 34% | 28% |
| Dec 31 | 27°F | 12°F | 40°F 2005 | -20°F 2014 | 34% | 27% |
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 4:50 PM
- December 31
- sunrise 8:01 AM, sunset 4:59 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00108022 (Saint Anthony), public domain. Records: NOAA GHCN-Daily, station USW00094194, 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.