Best Time To Visit Grand Teton National Park

Best Time To Go To Grand Teton National Park

The region is characterized by long, cold winter seasons and relatively mild summers. There is not a lot of moisture, winter or summer, and the air is dry, except for the wet season in March and April.

  • Summer (March to May ): The average temperature range is 20 degree Celsius.
  • Spring (June to July): The average temperature range is -5 degree Celsius to 9 degree Celsius.
  • Autumn (August to November): The average temperature is 12 degree Celsius to -3 Degree Celsius.
  • Winters (December to February): The average temperature range is -1.6 degree Celsius to a minimum of -14 degree Celsius.

Climate in Grand Teton National Park

Know weather for your travel dates:

20-Jan-2018
oF | oC
Today 20 Jan

-6oC

-16oC

Mostly cloudy throughout the day.

Wind:1.31 m/s

Humidity:82%

Precipitation:0.02%

  • Sun 21 Jan
    -8oC | -16oC

    Partly cloudy throughout the day.

  • Mon 22 Jan
    -6oC | -14oC

    Snow (7–14 cm.) throughout the day.

  • Tue 23 Jan
    -8oC | -14oC

    Foggy in the morning.

  • Wed 24 Jan
    -3oC | -9oC

    Snow (6–13 cm.) in the morning and afternoon.

  • Thu 25 Jan
    -6oC | -12oC

    Snow (7–15 cm.) throughout the day.

  • Fri 26 Jan
    -9oC | -16oC

    Snow (2–5 cm.) in the morning and afternoon.

Month wise Weather in Grand Teton National Park

Average Temperature in Grand Teton National Park by month

  • 20o
  • 15o
  • 10o
  • 5o 0o
Jan

Average temperature: -14oC

Minimum temperature: -19oC

Maximum temperature: -9oC

Feb

Average temperature: -6oC

Minimum temperature: -12oC

Maximum temperature: 0oC

Mar

Average temperature: -6oC

Minimum temperature: -11oC

Maximum temperature: 0oC

Apr

Average temperature: 2oC

Minimum temperature: -7oC

Maximum temperature: 10oC

May

Average temperature: 5oC

Minimum temperature: -2oC

Maximum temperature: 11oC

Jun

Average temperature: 13oC

Minimum temperature: 3oC

Maximum temperature: 24oC

Jul

Average temperature: 15oC

Minimum temperature: 4oC

Maximum temperature: 25oC

Aug

Average temperature: 18oC

Minimum temperature: 8oC

Maximum temperature: 29oC

Sep

Average temperature: 16oC

Minimum temperature: 5oC

Maximum temperature: 29oC

Oct

Average temperature: 2oC

Minimum temperature: -2oC

Maximum temperature: 9oC

Nov

Average temperature: 4oC

Minimum temperature: 0oC

Maximum temperature: 8oC

Dec

Average temperature: -6oC

Minimum temperature: -12oC

Maximum temperature: -2oC

Highest temperature in Grand Teton National Park is recorded as 29oC in August and September.

Lowest temperature in Grand Teton National Park is recorded as -19oC in January.

Average Rain in Grand Teton National Park by Month (in mm)

  • 120
  • 90
  • 60
  • 30 0
Jan

Average Rain: 17.56 mm

Minimum Rain: 13.96 mm

Maximum Rain: 20.12 mm

Feb

Average Rain: 82.58 mm

Minimum Rain: 7.74 mm

Maximum Rain: 151.73 mm

Mar

Average Rain: 7.74 mm

Minimum Rain: 0 mm

Maximum Rain: 15.48 mm

Apr

Average Rain: 42.33 mm

Minimum Rain: 0 mm

Maximum Rain: 80.53 mm

May

Average Rain: 24.26 mm

Minimum Rain: 0 mm

Maximum Rain: 51.08 mm

Jun

Average Rain: 6.18 mm

Minimum Rain: 0 mm

Maximum Rain: 17.01 mm

Jul

Average Rain: 4.12 mm

Minimum Rain: 0 mm

Maximum Rain: 12.37 mm

Aug

Average Rain: 0 mm

Minimum Rain: 0 mm

Maximum Rain: 0 mm

Sep

Average Rain: 4.12 mm

Minimum Rain: 0 mm

Maximum Rain: 12.37 mm

Oct

Average Rain: 121.29 mm

Minimum Rain: 47.98 mm

Maximum Rain: 161.06 mm

Nov

Average Rain: 62.95 mm

Minimum Rain: 0 mm

Maximum Rain: 102.17 mm

Dec

Average Rain: 9.29 mm

Minimum Rain: 0 mm

Maximum Rain: 20.12 mm

Maximum rain recorded in Grand Teton National Park is 161.06 mm in October.

Months with no rains or lowest rains in Grand Teton National Park is August.

Average Humidity in Grand Teton National Park by Month (in %)

  • 100
  • 75
  • 50
  • 25 0
Jan

Average Humidity: 86%

Minimum Humidity: 85%

Maximum Humidity: 87%

Feb

Average Humidity: 79%

Minimum Humidity: 68%

Maximum Humidity: 87%

Mar

Average Humidity: 72%

Minimum Humidity: 70%

Maximum Humidity: 75%

Apr

Average Humidity: 74%

Minimum Humidity: 68%

Maximum Humidity: 83%

May

Average Humidity: 62%

Minimum Humidity: 61%

Maximum Humidity: 64%

Jun

Average Humidity: 53%

Minimum Humidity: 50%

Maximum Humidity: 57%

Jul

Average Humidity: 55%

Minimum Humidity: 51%

Maximum Humidity: 60%

Aug

Average Humidity: 42%

Minimum Humidity: 40%

Maximum Humidity: 44%

Sep

Average Humidity: 50%

Minimum Humidity: 43%

Maximum Humidity: 57%

Oct

Average Humidity: 82%

Minimum Humidity: 79%

Maximum Humidity: 84%

Nov

Average Humidity: 65%

Minimum Humidity: 52%

Maximum Humidity: 82%

Dec

Average Humidity: 81%

Minimum Humidity: 80%

Maximum Humidity: 82%

Most humid month in Grand Teton National Park is January.

Least humid month in Grand Teton National Park is August.

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