What is the weather like in Big Bend National Park vs Grand Canyon National Park in August?

In August, Big Bend National Park averages 31°C high / 20°C low with about 35 mm of rain; Grand Canyon National Park averages 38°C high / 22°C low with about 32 mm.

Big Bend National Park vs Grand Canyon National Park in August

Big Bend National Park is the better pick in August — 74 vs 37 on SeasonMap's comfort score. Big Bend National Park is hot, a little rain, clean air, while Grand Canyon National Park is sweltering, a little rain, clean air.

Big Bend National Park vs Grand Canyon National Park — August climate, side by side

	🇺🇸 Big Bend National Park	🇺🇸 Grand Canyon National Park
Comfort score	74/100 (B)	37/100 (F)
Feels-like high	31°C	39°C
Avg high / low	31° / 20°	38° / 22°
Rainfall	35 mm	32 mm
Rainy days	5	5
Humidity	41%	36%
Air quality (AQI)	42	37

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

Month by month

Big Bend National Park 🇺🇸 United Stateshot, a little rain, clean air · best November74
Grand Canyon National Park 🇺🇸 United Statessweltering, a little rain, clean air · best March37

Big Bend National Park vs Grand Canyon National Park in August — FAQ

Is August better in Big Bend National Park or Grand Canyon National Park?: Big Bend National Park is the better pick in August — 74 vs 37 on SeasonMap's comfort score. Big Bend National Park is hot, a little rain, clean air, while Grand Canyon National Park is sweltering, a little rain, clean air.
What is the weather like in Big Bend National Park vs Grand Canyon National Park in August?: In August, Big Bend National Park averages 31°C high / 20°C low with about 35 mm of rain; Grand Canyon National Park averages 38°C high / 22°C low with about 32 mm.