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

In August, Rocky Mountain National Park averages 21°C high / 9°C low with about 61 mm of rain; Yellowstone National Park averages 22°C high / 4°C low with about 37 mm.

Rocky Mountain National Park vs Yellowstone National Park in August

Rocky Mountain National Park and Yellowstone National Park are nearly tied in August — 94 vs 92 on SeasonMap's comfort score. Rocky Mountain National Park is nice, a little rain, clean air; Yellowstone National Park is nice, a little rain, clean air.

Rocky Mountain National Park vs Yellowstone National Park — August climate, side by side

	🇺🇸 Rocky Mountain National Park	🇺🇸 Yellowstone National Park
Comfort score	94/100 (S)	92/100 (S)
Feels-like high	20°C	20°C
Avg high / low	21° / 9°	22° / 4°
Rainfall	61 mm	37 mm
Rainy days	10	7
Humidity	59%	51%
Air quality (AQI)	44	46

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

Month by month

Rocky Mountain National Park vs Yellowstone National Park in August — FAQ

Is August better in Rocky Mountain National Park or Yellowstone National Park?: Rocky Mountain National Park and Yellowstone National Park are nearly tied in August — 94 vs 92 on SeasonMap's comfort score. Rocky Mountain National Park is nice, a little rain, clean air; Yellowstone National Park is nice, a little rain, clean air.
What is the weather like in Rocky Mountain National Park vs Yellowstone National Park in August?: In August, Rocky Mountain National Park averages 21°C high / 9°C low with about 61 mm of rain; Yellowstone National Park averages 22°C high / 4°C low with about 37 mm.