Yellowstone National Park Weather and Climate: A Comprehensive Guide
Do you want to visit Yellowstone National Park with pleasant temperatures? Then the months of June to September are the best time to visit Yellowstone National Park. Although a (nighttime) snow shower cannot be completely ruled out at the beginning of June, in these months you are most treated to quite a large number of hours of sunshine and a daytime temperature of about 20°C.
Especially in July and August, when the weather and climate in Yellowstone is most pleasant, many people travel to Yellowstone. The chance of park closures is then the smallest. It can be a bit busy during this period so it is recommended to book a place to stay in advance.
Average maximum day and minimum night temperature
Depending on the time of the year, temperatures range from comfortable to very cold in Yellowstone National Park. Typically, average maximum daytime temperatures range from a comfortable 23°C in July to a very cold -4°C in the coolest month, January.
Nights are cooler, with lows often dropping to around -16°C during the colder months.Check out our detailed temperature page for more information.
Temperature ranges by month
Precipitation and rainy days
Generally, Yellowstone National Park has a moderate amount of precipitation, averaging 738 mm of rain/snowfall annually. The climate in Yellowstone National Park shows significant variation throughout the year. Expect moderate snowfall in March, with an average of 87 mm of precipitation over 17 snowy days.
In contrast, July offers drier and sunnier days, with around 27 mm of rainfall over 9 rainy days. For more details, please visit our Yellowstone National Park Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Forecast for Yellowstone National Park
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Yellowstone National Park in the United States of America
During the months of July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The coldest season / winter is in the following months: January, February, November and December.
July has an average maximum temperature of 23°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of -4°C.
March tops the wettest month list with 87 mm of rainfall.
July is the driest month with 27 mm of precipitation.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
