Climate in Yellowstone National Park, United States of America

The graphs below show the monthly weather averages over the year.
* Climate data from: West Yellowstone, United States of America (48 KM, 30 Miles).

Average day and night temperature

The mean minimum and maximum temperatures over the year. Show in Fahrenheit

Average min and max temperatures in West Yellowstone, United States of America   Copyright © 2022  weather-and-climate.com

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Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc. Show in Inches

Average precipitation (rain/snow) in West Yellowstone, United States of America   Copyright © 2022  weather-and-climate.com

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Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average rainy days (rain/snow) in West Yellowstone, United States of America   Copyright © 2022  weather-and-climate.com

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Weather Forecasts for Yellowstone National Park

FRI   Dec 09
-5°C | -13°C
S 22 kmph
Overcast

Overcast

SAT   Dec 10
-4°C | -24°C
SSE 13 kmph
0.3 mm
Light freezing rain

Light freezing rain

SUN   Dec 11
-2°C | -16°C
SSE 8 kmph
2.3 mm
Moderate or heavy snow showers

Moderate or heavy snow showers

The best time of year to visit Yellowstone National Park in United States of America

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 degrees Celsius (68 degrees Fahrenheit).

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.

During the month of June, July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20 degrees Celsius (68°F) and 26 degrees Celsius (79°F).

Other facts from our historical climate 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 26°C (79°F) 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 (24°F).
  • Which is the wettest month in Yellowstone National Park?
    December tops the wettest month list with 61mm (2.4in) of rainfall.
  • Which is the driest month in Yellowstone National Park?
    October is the driest month with 33mm (1.3in) of precipitation.

  • No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.