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.

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 Park — August climate, side by side

	🇺🇸 Grand Teton National Park	🇺🇸 Yellowstone National Park
Comfort score	87/100 (A)	92/100 (S)
Feels-like high	22°C	20°C
Avg high / low	24° / 5°	22° / 4°
Rainfall	43 mm	37 mm
Rainy days	6	7
Humidity	51%	51%
Air quality (AQI)	41	46

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

Month by month

Grand Teton National Park 🇺🇸 United Statesnice, a little rain, clean air · best June87
Yellowstone National Park 🇺🇸 United Statesnice, a little rain, clean air · best August92

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.