Jackson weather in December: Jackson, Wyoming: normal highs, lows, rain and records for December
Jackson in December has a normal high of 26°F and a normal low of 7°F, a daily mean of 17°F, falling from 30°F on the 1st to 25°F by the 31st. Measurable precipitation falls on 14 days in a normal December, 1.76 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of −3°C and low of −14°C, 45 mm of precipitation and 42 cm of snow in December.
- NOAA stationJackson
- Station IDUSC00484910
- Location43.49°N 110.76°W
- Elevation6,210 ft (1,893 m)
- Population10,680
- Jan 26° 6°
- Feb 30° 9°
- Mar 40° 18°
- Apr 50° 26°
- May 60° 32°
- Jun 70° 38°
- Jul 79° 41°
- Aug 78° 40°
- Sep 68° 33°
- Oct 55° 25°
- Nov 38° 16°
- Dec 26° 7°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Jackson in December?
The normal high is 26°F and the normal low 7°F, for a daily mean of 16.5°F. December is 10.2°F cooler than November and 0.3°F warmer than January. December is the 11th warmest month of the year in Jackson and the 2nd wettest. Across the month the normal high falls 5°F, from 30°F on December 1 to 25°F on December 31. From one year to the next December's mean temperature typically moves about 3.5°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 13°F and 20°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 44%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 30°F | 10°F | 39% | 18% |
| December 8 | 27°F | 8°F | 41% | 18% |
| December 15 | 26°F | 6°F | 43% | 18% |
| December 22 | 25°F | 5°F | 44% | 19% |
| December 31 | 25°F | 5°F | 44% | 18% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 26)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 30°F | 10°F | 39% | 18% | 9 h 10 min |
| December 2 | 29°F | 10°F | 39% | 18% | 9 h 10 min |
| December 3 | 29°F | 10°F | 40% | 18% | 9 h 10 min |
| December 4 | 29°F | 9°F | 40% | 18% | 9 h 10 min |
| December 5 | 28°F | 9°F | 40% | 18% | 9 h 10 min |
| December 6 | 28°F | 9°F | 40% | 18% | 9 h 10 min |
| December 7 | 28°F | 8°F | 41% | 18% | 9 h 10 min |
| December 8 | 27°F | 8°F | 41% | 18% | 9 h |
| December 9 | 27°F | 8°F | 41% | 18% | 9 h |
| December 10 | 27°F | 8°F | 42% | 18% | 9 h |
| December 11 | 27°F | 7°F | 42% | 18% | 9 h |
| December 12 | 26°F | 7°F | 42% | 18% | 9 h |
| December 13 | 26°F | 7°F | 42% | 18% | 9 h |
| December 14 | 26°F | 7°F | 43% | 18% | 9 h |
| December 15 | 26°F | 6°F | 43% | 18% | 9 h |
| December 16 | 26°F | 6°F | 43% | 18% | 9 h |
| December 17 | 25°F | 6°F | 43% | 18% | 9 h |
| December 18 | 25°F | 6°F | 44% | 19% | 9 h |
| December 19 | 25°F | 6°F | 44% | 19% | 9 h |
| December 20 | 25°F | 6°F | 44% | 19% | 9 h |
| December 21 | 25°F | 6°F | 44% | 19% | 9 h |
| December 22 | 25°F | 5°F | 44% | 19% | 9 h |
| December 23 | 25°F | 5°F | 44% | 19% | 9 h |
| December 24 | 25°F | 5°F | 44% | 19% | 9 h |
| December 25 | 25°F | 5°F | 44% | 19% | 9 h |
| December 26 | 25°F | 5°F | 44% | 19% | 9 h |
| December 27 | 25°F | 5°F | 44% | 19% | 9 h |
| December 28 | 25°F | 5°F | 44% | 18% | 9 h |
| December 29 | 25°F | 5°F | 44% | 18% | 9 h |
| December 30 | 25°F | 5°F | 44% | 18% | 9 h |
| December 31 | 25°F | 5°F | 44% | 18% | 9 h |
- Normal high
- 26°FDecember average
- Normal low
- 7°FDecember average
- Precipitation
- 1.76 inmonth total
- Days with precipitation
- 140.01 inch or more
- Snowfall
- 16.4 inmonth total
- Nights at 32°F or colder
- 30
- Daylight
- 9 h 10 min to 9 hDecember 1 to December 31
- Sunshine
- 64%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00484910; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Jackson in December?
On a given December day the chance of 0.01 inch or more is 42% on average, highest around December 22 (44%). In all, 1.76 in falls on 14 days of a normal December.
In a normal December in Jackson, 30 nights fall to freezing, 19 days stay below freezing all day and snowfall averages 16.4 inches.
Snow falls on 11 days in a normal December.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00484910.
What are the records for December in Jackson?
The warmest December temperature on this station's record (since 1905) is 58°F, on December 10, 1939; the coldest is −49°F, on December 31, 1978. The wettest December brought 5.95 in (1964); the snowiest, 44.5 inches (2008).
The December mean against the 1991-2020 normal of 16.5°F: 2021 26.3°F (+9.8), 2022 15.1°F (−1.4), 2023 20.8°F (+4.3), 2024 22.7°F (+6.2), 2025 29.7°F (+13.2). 4 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 26.3°F | +9.8°F | 1.83 in |
| 2022 | 15.1°F | −1.4°F | 2.32 in |
| 2023 | 20.8°F | +4.3°F | 0.70 in |
| 2024 | 22.7°F | +6.2°F | 1.23 in |
| 2025 | 29.7°F | +13.2°F | 4.21 in |
Source: records: ACIS, station USC00484910; recent months: ACIS, station USC00484910. Records and recent months use complete months only.
How does December in Jackson compare across Wyoming?
Across the 71 places PlainClimate covers in Wyoming, December normal highs run from 24°F in Bondurant to 43°F in Yoder; Jackson's is 26°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.