Yellowstone National Park Climate by Month

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.

The graphs below provide an overview of the climate in Yellowstone National Park (), the United States of America. They present long-term patterns and averages of weather conditions over a 30-year period.

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:

When is winter in Yellowstone National Park?
The coldest season / winter is in the following months: January, February, November and December.

Which is the warmest month in Yellowstone National Park?
July has an average maximum temperature of 23°C and is the warmest month of the year.

Which is the coldest month in Yellowstone National Park?
The coldest month is January with an average maximum temperature of -4°C.

Which is the wettest month in Yellowstone National Park?
March tops the wettest month list with 87 mm of rainfall.

Which is the driest month in Yellowstone National Park?
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.