Grand Teton National Park vs Yellowstone National Park in August

Yellowstone National Park is the better pick in August — 92 vs 87 on SeasonMap's comfort score. Yellowstone National Park is nice, a little rain, clean air, while Grand Teton National Park is nice, a little rain, clean air.

Grand Teton National Park vs Yellowstone National ParkAugust climate, side by side

Grand Teton National ParkYellowstone National Park
Comfort score87/100 (A)92/100 (S)
Feels-like high22°C20°C
Avg high / low24° / 5°22° / 4°
Rainfall43 mm37 mm
Rainy days67
Humidity51%51%
Air quality (AQI)4146

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Grand Teton National Park vs Yellowstone National Park in August — FAQ

Is August better in Grand Teton National Park or Yellowstone National Park?
Yellowstone National Park is the better pick in August — 92 vs 87 on SeasonMap's comfort score. Yellowstone National Park is nice, a little rain, clean air, while Grand Teton National Park is nice, a little rain, clean air.
What is the weather like in Grand Teton National Park vs Yellowstone National Park in August?
In August, Grand Teton National Park averages 24°C high / 5°C low with about 43 mm of rain; Yellowstone National Park averages 22°C high / 4°C low with about 37 mm.