Jackson Hole, WY Weather
Jackson Hole hourly forecast: next 24 hours
Today's high of 68°F (20°C) is right in line with the typical September high of 69°F (20°C).
Current conditions in detail
Jackson Hole weather tomorrow (Wednesday, September 16)
Tomorrow in Jackson Hole looks sunny, with a high of 74° and an overnight low of 40°. Precipitation chance is modest at 17%. Winds top out near 12 mph, and the UV index reaches 6 (high).
Jackson Hole 14-day forecast
About the weather in Jackson Hole
Cold is the baseline in Jackson Hole, not the exception. Night-time lows sit at or below freezing in 8 months of the year, and the warmest month, July, still only averages 80°F (26°C) by day. December runs to 11°F (-12°C) after dark.
Jackson Hole weather: quick facts
- Hottest month: July - highs near 80°F (26°C)
- Coldest month: December - highs near 29°F (-2°C)
- Decade extremes (2015-2024): 91°F (33°C) high · -20°F (-29°C) low
- Wettest month: February (14 rainy days) · Sunniest: July (14.2 h sun/day)
- Climate type: humid continental
- Annual swing: 25°C between the average warmest and coolest month · day to night: 13°C
- Snow: about 74 days a year
- Months with freezing average lows: 8
- Average humidity: 67%
Temperatures through the year
February is the wettest month at 3.2 inches (82 mm) over 14 days; July is the driest. Warmth peaks in July: highs of 80°F (26°C), lows of 50°F (10°C). December is the coolest month, with highs of 29°F (-2°C) and lows near 11°F (-12°C). Relative humidity averages 67% across the year, drier than about 75% of the cities we track.
Rain, sun and snow
Snow falls on roughly 74 days a year, mostly September through May. Overnight lows average at or below freezing for 8 months, October through May. Sunshine averages 9.6 hours a day over the year, peaking in July at 14.2 hours. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 91°F (33°C) and the lowest daily minimum -20°F (-29°C).
Season by season
Spring (March through May)
Spring runs cold here - highs near 47°F (8°C), nights near 25°F (-4°C), and rain falls on around 39 of the 90 days, plus about 23 snowy days. Daylight is generous - around 10.3 hours of sun a day.
Summer (June through August)
Through summer, Jackson Hole is pleasantly warm: 76°F (24°C) by day, 47°F (8°C) after dark, and expect showers on roughly 18 days across the season. Daylight is generous - around 13.4 hours of sun a day.
Fall (September through November)
Through fall, Jackson Hole stays firmly cold: 53°F (12°C) by day, 29°F (-1°C) after dark, and expect showers on roughly 29 days across the season, plus about 15 snowy days.
Winter (December through February)
Winter runs to hard cold here - highs near 30°F (-1°C), nights near 12°F (-11°C), and rain falls on around 40 of the 90 days, plus about 36 snowy days. Wind sharpens cold like this considerably; pair the forecast winds with the wind speed converter to judge exposed conditions.
Average temperatures in Jackson Hole by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 29° | 12° | 13 | 2.8 in | 5.9 h/day | 74% |
| February | 31° | 14° | 14 | 3.2 in | 6.8 h/day | 72% |
| March | 40° | 19° | 14 | 2.8 in | 8.7 h/day | 69% |
| April | 46° | 25° | 14 | 2.4 in | 10.3 h/day | 68% |
| May | 55° | 31° | 12 | 2.2 in | 12.0 h/day | 69% |
| June | 70° | 42° | 9 | 1.7 in | 13.5 h/day | 61% |
| July | 80° | 50° | 4 | 0.7 in | 14.2 h/day | 51% |
| August | 78° | 49° | 5 | 1.2 in | 12.4 h/day | 53% |
| September | 69° | 41° | 8 | 2.2 in | 11.0 h/day | 61% |
| October | 53° | 30° | 10 | 2.3 in | 8.8 h/day | 71% |
| November | 37° | 17° | 11 | 2.7 in | 6.7 h/day | 77% |
| December | 29° | 11° | 13 | 3.0 in | 5.3 h/day | 76% |