Mountain air

Jackson Hole, Wyoming weather in December

Temperature, rain and sunshine in December: long-term averages from 30 years of weather data, not a forecast.

6

Holiday weather in December

Poor

Best time to visit: June – September

Best for skiing: December – April

What is the weather like in Jackson Hole, Wyoming in December?

In December, Jackson Hole, Wyoming is freezing cold: daytime highs average −3 °C, and nights often drop below freezing (−12 °C). The sun is scarce, with only about 3 hours a day. Precipitation, often as snow, falls on about 15 days, totalling 99 mm. Snow falls on about 15 days. All in all, December is not an ideal month for a holiday in Jackson Hole, Wyoming.

December compared

How the weather changes from November to January. Tap a month to open it.

NovemberNovDecemberDecJanuaryJan
Score1669
Day2°−3°−3°
Night−8°−12°−11°
Sun4 h3 h4 h
Rain days121515

More details for December

Daylight
8 h 59 min07:49 – 16:48
UV index
1 · lowclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
9 km/haverage daily peakAll months
Cloud cover
77 %on averageAll months
Hot days
0 days30 °C or moreAll months
Snow days
15 days1 cm or more of fresh snowAll months
Time zone
UTC−7America/Denver

How the score comes together

  • Temperatureweight 50 %0 %
  • Sunshineweight 20 %0 %
  • Few rainy daysweight 30 %20 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Mountain air”.

What to pack in December

  • Warm jacket
  • Hat, scarf & gloves
  • Rain jacket or umbrella

Jackson Hole, Wyoming in December: quick answers

Is Jackson Hole, Wyoming hot in December?

No. In December, Jackson Hole, Wyoming is freezing cold: daytime highs average −3 °C and nights drop to about −12 °C.

Does it rain much in Jackson Hole, Wyoming in December?

It rains often – on about 15 days, adding up to 99 mm.

Jackson Hole, Wyoming month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences