Best time to go to Grand Teton National Park (Wyoming) Average weather of Grand Teton National Park (Wyoming), United States

When is the best time to go to Grand Teton National Park (Wyoming)?

When is the best time to go to Grand Teton National Park (Wyoming)? Here's some information to help you in your decision:

The best months in Grand Teton National Park (Wyoming) are July and August
On average, the warmest months are July and August
The coldest months are January and December
The rainiest months are January, February, March, April, May and December

Annual weather in Grand Teton National Park (Wyoming)

For full information about the climate and weather in Grand Teton National Park (Wyoming) a specific month, click on the corresponding line below:

Month			Our opinion
January	4°F/22°F	6.4in	very bad weather	Grand Teton National Park (Wyoming) in january
February	7°F/23°F	7.2in	very bad weather	Grand Teton National Park (Wyoming) in february
March	16°F/31°F	6.1in	very bad weather	Grand Teton National Park (Wyoming) in march
April	23°F/38°F	6.6in	very bad weather	Grand Teton National Park (Wyoming) in april
May	34°F/49°F	6in	very bad weather	Grand Teton National Park (Wyoming) in may
June	41°F/59°F	4.6in	very bad weather	Grand Teton National Park (Wyoming) in june
July	49°F/70°F	3.5in	tolerable weather	Grand Teton National Park (Wyoming) in july
August	49°F/68°F	3.6in	tolerable weather	Grand Teton National Park (Wyoming) in august
September	41°F/59°F	3.9in	very bad weather	Grand Teton National Park (Wyoming) in september
October	29°F/43°F	5.3in	very bad weather	Grand Teton National Park (Wyoming) in october
November	14°F/31°F	5.2in	very bad weather	Grand Teton National Park (Wyoming) in november
December	5°F/20°F	6.1in	very bad weather	Grand Teton National Park (Wyoming) in december

Weather and climate in Grand Teton National Park (Wyoming)

Grand Teton National Park (Wyoming) enjoys a subarctic climate (severe winter, no dry season and cool summer) in accordance with the Köppen-Geiger classification. The yearly average maximum temperature in Grand Teton National Park (Wyoming) is 43°F (ranging from 20°F in december to 70°F in july). Annual rainfall is 64.5in, with a minimum of 3.5in in july and a maximum of 7.2in in february.

From january to june the climate is the worst possible. the thermometer goes up to 59°F°C.
Between july and august the climate is just OK. At lunchtime, it's 67°F in average and it rains about 19% of the time in august.
Between september and december the climate is the worst possible. The temperature rises to 20°F and, in december, 9 days of rain are expected.

Charts: temperature and rainfall in Grand Teton National Park (Wyoming)

In the charts below, you can see the following seasonal norms for the city of Grand Teton National Park (Wyoming): the minimum and maximum outdoor temperature, the risk and amount of monthly rainfall, daily average sunshine, and relative humidity for each month of the year.

Outside temperature

Precipitation (rainfall)

Daily sunshine hours

Humidity

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