What is the weather like in Grand Canyon National Park vs Petrified Forest National Park in August?

In August, Grand Canyon National Park averages 38°C high / 22°C low with about 32 mm of rain; Petrified Forest National Park averages 34°C high / 16°C low with about 28 mm.

Grand Canyon National Park vs Petrified Forest National Park in August

Petrified Forest National Park is the better pick in August — 58 vs 37 on SeasonMap's comfort score. Petrified Forest National Park is hot, dry, clean air, while Grand Canyon National Park is sweltering, a little rain, clean air.

Grand Canyon National Park vs Petrified Forest National Park — August climate, side by side

	🇺🇸 Grand Canyon National Park	🇺🇸 Petrified Forest National Park
Comfort score	37/100 (F)	58/100 (D)
Feels-like high	39°C	33°C
Avg high / low	38° / 22°	34° / 16°
Rainfall	32 mm	28 mm
Rainy days	5	7
Humidity	36%	37%
Air quality (AQI)	37	43

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

Month by month

Grand Canyon National Park 🇺🇸 United Statessweltering, a little rain, clean air · best March37
Petrified Forest National Park 🇺🇸 United Stateshot, dry, clean air · best October58

Grand Canyon National Park vs Petrified Forest National Park in August — FAQ

Is August better in Grand Canyon National Park or Petrified Forest National Park?: Petrified Forest National Park is the better pick in August — 58 vs 37 on SeasonMap's comfort score. Petrified Forest National Park is hot, dry, clean air, while Grand Canyon National Park is sweltering, a little rain, clean air.
What is the weather like in Grand Canyon National Park vs Petrified Forest National Park in August?: In August, Grand Canyon National Park averages 38°C high / 22°C low with about 32 mm of rain; Petrified Forest National Park averages 34°C high / 16°C low with about 28 mm.