December weather in Gunnison, UT
The average temperature in Gunnison in December is 25.2°F (12.7°F–37.6°F). Average precipitation: 1.21 inches.
December is a winter month in Gunnison, and is cooler than the annual average of 47.3°F. Daily temperatures swing about 24.9°F between overnight low and afternoon high. Daylight averages about 9h 15m. For travel, December is cold.
Avg High
37.6°F
Avg Low
12.7°F
Precipitation
1.21 in
Daylight
9h 15m
December records in Gunnison
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 55.0°F (2021) | 0.0°F (2019) | 0.31 in (2018) |
| December 2 | 57.0°F (2017) | 5.0°F (2020) | 0.06 in (2025) |
| December 3 | 57.0°F (2017) | -0.9°F (2020) | 0.01 in (2018) |
| December 4 | 60.1°F (2017) | -8.0°F (2018) | 0.21 in (2022) |
| December 5 | 55.0°F (2021) | 1.9°F (2020) | 0.17 in (2019) |
| December 6 | 57.0°F (2021) | 3.9°F (2020) | 0.13 in (2022) |
| December 7 | 55.0°F (2023) | 3.9°F (2017) | 0.00 in (2016) |
| December 8 | 53.1°F (2025) | 3.9°F (2020) | 0.10 in (2019) |
| December 9 | 55.9°F (2025) | 5.0°F (2017) | 0.13 in (2019) |
| December 10 | 52.0°F (2025) | 3.0°F (2017) | 0.24 in (2021) |
| December 11 | 57.9°F (2025) | 3.9°F (2017) | 0.13 in (2016) |
| December 12 | 55.0°F (2025) | 9.0°F (2017) | 0.14 in (2022) |
| December 13 | 54.0°F (2025) | -7.1°F (2020) | 0.02 in (2018) |
| December 14 | 52.0°F (2025) | 7.0°F (2018) | 0.16 in (2020) |
| December 15 | 57.9°F (2025) | 6.1°F (2017) | 0.25 in (2021) |
| December 16 | 55.9°F (2025) | 1.0°F (2021) | 0.45 in (2016) |
| December 17 | 64.0°F (2025) | -9.9°F (2022) | 0.96 in (2016) |
| December 18 | 50.0°F (2024) | -17.0°F (2016) | 0.25 in (2020) |
| December 19 | 62.1°F (2025) | -15.0°F (2016) | 0.00 in (2016) |
| December 20 | 55.9°F (2025) | -2.9°F (2020) | 0.00 in (2016) |
| December 21 | 59.0°F (2025) | 1.0°F (2021) | 0.13 in (2017) |
| December 22 | 66.0°F (2025) | -6.0°F (2017) | 0.06 in (2017) |
| December 23 | 60.1°F (2025) | 8.1°F (2020) | 0.22 in (2016) |
| December 24 | 62.1°F (2025) | -4.0°F (2020) | 0.87 in (2021) |
| December 25 | 57.9°F (2025) | 0.0°F (2020) | 0.25 in (2019) |
| December 26 | 53.1°F (2025) | 3.9°F (2023) | 0.15 in (2025) |
| December 27 | 48.0°F (2017) | -17.0°F (2016) | 0.07 in (2024) |
| December 28 | 45.0°F (2017) | -2.0°F (2018) | 0.55 in (2022) |
| December 29 | 46.9°F (2017) | -8.0°F (2018) | 0.33 in (2020) |
| December 30 | 59.0°F (2024) | -5.1°F (2016) | 0.25 in (2019) |
| December 31 | 57.0°F (2017) | -5.1°F (2016) | 0.50 in (2022) |