What is the weather like in Gateway Arch National Park vs Mammoth Cave National Park in July?

In July, Gateway Arch National Park averages 32°C high / 20°C low with about 139 mm of rain; Mammoth Cave National Park averages 33°C high / 21°C low with about 151 mm.

Gateway Arch National Park vs Mammoth Cave National Park in July

Gateway Arch National Park is the better pick in July — 57 vs 50 on SeasonMap's comfort score. Gateway Arch National Park is sweltering, rainy, while Mammoth Cave National Park is sweltering, soaked.

Gateway Arch National Park vs Mammoth Cave National Park — July climate, side by side

	🇺🇸 Gateway Arch National Park	🇺🇸 Mammoth Cave National Park
Comfort score	57/100 (D)	50/100 (D)
Feels-like high	36°C	37°C
Avg high / low	32° / 20°	33° / 21°
Rainfall	139 mm	151 mm
Rainy days	8	11
Humidity	71%	74%
Air quality (AQI)	73	61

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

Month by month

Gateway Arch National Park vs Mammoth Cave National Park in July — FAQ

Is July better in Gateway Arch National Park or Mammoth Cave National Park?: Gateway Arch National Park is the better pick in July — 57 vs 50 on SeasonMap's comfort score. Gateway Arch National Park is sweltering, rainy, while Mammoth Cave National Park is sweltering, soaked.
What is the weather like in Gateway Arch National Park vs Mammoth Cave National Park in July?: In July, Gateway Arch National Park averages 32°C high / 20°C low with about 139 mm of rain; Mammoth Cave National Park averages 33°C high / 21°C low with about 151 mm.