About Grand Tetons National Park
Overview
Packing List
Weather
JACKSON WEATHER
Temperatures in Grand Teton National Park vary greatly from season to season, but it is always best to come prepared with layers, even in the summer. Better safe than sorry! Always check the weather forecast before your visit. The below chart shows the average temperatures per month.
Month | High | Low |
January | 25°F | 0°F |
February | 30°F | 2°F |
March | 39°F | 11°F |
April | 47°F | 20°F |
May | 57°F | 29°F |
June | 68°F | 36°F |
July | 77°F | 41°F |
August | 76°F | 39°F |
September | 66°F | 32°F |
October | 52°F | 24°F |
November | 35°F | 14°F |
December | 25°F | 3°F |