What is the weather like in Grand Teton National Park vs Yellowstone National Park in October?

In October, Grand Teton National Park averages 11°C high / -4°C low with about 61 mm of rain; Yellowstone National Park averages 8°C high / -6°C low with about 62 mm.

Grand Teton National Park vs Yellowstone National Park in October

Grand Teton National Park is the better pick in October — 75 vs 70 on SeasonMap's comfort score. Grand Teton National Park is cold, a little rain, clean air, while Yellowstone National Park is cold, a little rain, clean air.

Grand Teton National Park vs Yellowstone National Park — October climate, side by side

	🇺🇸 Grand Teton National Park	🇺🇸 Yellowstone National Park
Comfort score	75/100 (B)	70/100 (B)
Feels-like high	7°C	3°C
Avg high / low	11° / -4°	8° / -6°
Rainfall	61 mm	62 mm
Rainy days	8	11
Humidity	74%	74%
Air quality (AQI)	41	40

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

Month by month

Grand Teton National Park 🇺🇸 United Statescold, a little rain, clean air · best June75
Yellowstone National Park 🇺🇸 United Statescold, a little rain, clean air · best August70

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

Is October better in Grand Teton National Park or Yellowstone National Park?: Grand Teton National Park is the better pick in October — 75 vs 70 on SeasonMap's comfort score. Grand Teton National Park is cold, a little rain, clean air, while Yellowstone National Park is cold, a little rain, clean air.
What is the weather like in Grand Teton National Park vs Yellowstone National Park in October?: In October, Grand Teton National Park averages 11°C high / -4°C low with about 61 mm of rain; Yellowstone National Park averages 8°C high / -6°C low with about 62 mm.