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

In August, Boise averages 33°C high / 17°C low with about 7 mm of rain; Yellowstone National Park averages 22°C high / 4°C low with about 37 mm.

Boise vs Yellowstone National Park in August

Yellowstone National Park is the better pick in August — 92 vs 81 on SeasonMap's comfort score. Yellowstone National Park is nice, a little rain, clean air, while Boise is hot, dry.

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

	🇺🇸 Boise	🇺🇸 Yellowstone National Park
Comfort score	81/100 (A)	92/100 (S)
Feels-like high	32°C	20°C
Avg high / low	33° / 17°	22° / 4°
Rainfall	7 mm	37 mm
Rainy days	1	7
Humidity	34%	51%
Air quality (AQI)	52	46

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

Month by month

Boise vs Yellowstone National Park in August — FAQ

Is August better in Boise or Yellowstone National Park?: Yellowstone National Park is the better pick in August — 92 vs 81 on SeasonMap's comfort score. Yellowstone National Park is nice, a little rain, clean air, while Boise is hot, dry.
What is the weather like in Boise vs Yellowstone National Park in August?: In August, Boise averages 33°C high / 17°C low with about 7 mm of rain; Yellowstone National Park averages 22°C high / 4°C low with about 37 mm.