What is the weather like in Katmai National Park vs Yellowstone National Park in August?

In August, Katmai National Park averages 15°C high / 11°C low with about 112 mm of rain; Yellowstone National Park averages 22°C high / 4°C low with about 37 mm.

Katmai National Park vs Yellowstone National Park in August

Yellowstone National Park is the better pick in August — 92 vs 83 on SeasonMap's comfort score. Yellowstone National Park is nice, a little rain, clean air, while Katmai National Park is cool, rainy, clean air.

Katmai National Park vs Yellowstone National Park — August climate, side by side

	🇺🇸 Katmai National Park	🇺🇸 Yellowstone National Park
Comfort score	83/100 (A)	92/100 (S)
Feels-like high	15°C	20°C
Avg high / low	15° / 11°	22° / 4°
Rainfall	112 mm	37 mm
Rainy days	17	7
Humidity	86%	51%
Air quality (AQI)	23	46

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

Month by month

Katmai National Park 🇺🇸 United Statescool, rainy, clean air · best June83
Yellowstone National Park 🇺🇸 United Statesnice, a little rain, clean air · best August92

Katmai National Park vs Yellowstone National Park in August — FAQ

Is August better in Katmai National Park or Yellowstone National Park?: Yellowstone National Park is the better pick in August — 92 vs 83 on SeasonMap's comfort score. Yellowstone National Park is nice, a little rain, clean air, while Katmai National Park is cool, rainy, clean air.
What is the weather like in Katmai National Park vs Yellowstone National Park in August?: In August, Katmai National Park averages 15°C high / 11°C low with about 112 mm of rain; Yellowstone National Park averages 22°C high / 4°C low with about 37 mm.