Yellowstone National Park
Weather History, Monthly Averages & Best Time to Visit
WYRocky Mountain7,350 ft
Look Up a Specific Date
Best Time to Visit
RecommendedMay - September
July and August have the most accessible trails and roads.
AvoidOctober - May (many roads and facilities closed due to snow)
Tip: Wildlife viewing is excellent in spring; geysers are active year-round.
Monthly Climate Averages
Historical temperature and precipitation averages for Jackson, WY, based on 55+ years of weather data.
Warmest MonthJulyAvg High: 79°F / Low: 44°F
Coldest MonthDecemberAvg High: 27°F / Low: 8°F
Jan
27°/ 7°
💧 5.6"
❄️ 2.0"
Feb
31°/ 10°
💧 5.8"
❄️ 1.9"
Mar
41°/ 17°
💧 5.3"
❄️ 1.7"
Apr
50°/ 24°
💧 5.2"
❄️ 1.6"
May
60°/ 31°
💧 5.3"
❄️ 2.2"
Jun
70°/ 38°
💧 5.3"
❄️ 1.4"
Jul
79°/ 44°
💧 4.0"
Aug
77°/ 42°
💧 4.6"
Sep
68°/ 34°
💧 5.3"
❄️ 0.8"
Oct
53°/ 26°
💧 5.2"
❄️ 1.4"
Nov
37°/ 17°
💧 5.9"
❄️ 2.0"
Dec
27°/ 8°
💧 6.0"
❄️ 1.9"
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
Data from Jackson, WY. Expect ~26°F cooler at elevation.
Seasonal Weather
Nearby Parks
Official NPS Websitenps.gov/yell
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