West Yellowstone Weather in December
Average highs run from 29°F on December 1 to 25°F on December 31, and lows from 7°F to 0°F. Normal precipitation for the month is 3.05 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
- 26°F
- Average low
- 3°F
- Precipitation
- 3.05 in
- Snowfall
- 45.2 in
- Record high
- 48°FDec 13, 2014
- Record low
- -49°FDec 22, 2022
- Chance of a freeze
- 100%
- Daylight
- 9 h 04 min to 8 h 53 min
- Cloud cover
- 71%
- Humidity
- 98%
- Dew point
- 11°F
- Wind
- 5.4 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 | 29°F | 7°F | 40°F 2008 | -18°F 2014 | 35% | |
| Dec 2 | 29°F | 7°F | 42°F 2021 | -31°F 2009 | 36% | |
| Dec 3 | 28°F | 6°F | 41°F 2021 | -18°F 2011 | 36% | |
| Dec 4 | 28°F | 6°F | 38°F 2017 | -31°F 2013 | 36% | |
| Dec 5 | 28°F | 6°F | 39°F 2021 | -32°F 2011 | 37% | |
| Dec 6 | 27°F | 5°F | 37°F 2023 | -34°F 2013 | 37% | |
| Dec 7 | 27°F | 5°F | 46°F 2023 | -32°F 2013 | 37% | |
| Dec 8 | 27°F | 5°F | 38°F 2008 | -28°F 2016 | 37% | |
| Dec 9 | 27°F | 4°F | 44°F 2014 | -34°F 2013 | 38% | |
| Dec 10 | 26°F | 4°F | 44°F 2014 | -23°F 2009 | 38% | |
| Dec 11 | 26°F | 4°F | 37°F 2025 | -24°F 2007 | 38% | |
| Dec 12 | 26°F | 3°F | 40°F 2025 | -23°F 2007 | 38% | |
| Dec 13 | 26°F | 3°F | 48°F 2014 | -13°F 2011 | 38% | |
| Dec 14 | 25°F | 3°F | 41°F 2025 | -15°F 2008 | 39% | |
| Dec 15 | 25°F | 3°F | 45°F 2025 | -15°F 2008 | 39% | |
| Dec 16 | 25°F | 2°F | 45°F 2025 | -21°F 2022 | 39% | |
| Dec 17 | 25°F | 2°F | 43°F 2018 | -43°F 2016 | 39% | |
| Dec 18 | 25°F | 2°F | 41°F 2025 | -43°F 2016 | 39% | |
| Dec 19 | 25°F | 2°F | 35°F 2013 | -25°F 2012 | 39% | |
| Dec 20 | 25°F | 1°F | 44°F 2023 | -25°F 2012 | 39% | |
| Dec 21 | 25°F | 1°F | 44°F 2024 | -26°F 2012 | 39% | |
| Dec 22 | 25°F | 1°F | 44°F 2023 | -49°F 2022 | 39% | |
| Dec 23 | 25°F | 1°F | 41°F 2023 | -44°F 2022 | 39% | |
| Dec 24 | 25°F | 1°F | 42°F 2019 | -29°F 2017 | 39% | |
| Dec 25 | 25°F | 1°F | 45°F 2025 | -18°F 2011 | 40% | |
| Dec 26 | 25°F | 0°F | 43°F 2025 | -25°F 2015 | 40% | |
| Dec 27 | 25°F | 0°F | 35°F 2025 | -25°F 2015 | 40% | |
| Dec 28 | 25°F | 0°F | 33°F 2022 | -24°F 2009 | 40% | |
| Dec 29 | 25°F | 0°F | 33°F 2023 | -23°F 2009 | 40% | |
| Dec 30 | 25°F | 0°F | 35°F 2011 | -34°F 2014 | 40% | |
| Dec 31 | 25°F | 0°F | 36°F 2011 | -35°F 2014 | 40% |
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 4:45 PM
- December 31
- sunrise 8:01 AM, sunset 4:54 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00248858 (W Yellowstone Gateway), public domain. Records: NOAA GHCN-Daily, station USC00248858, 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.