What is the weather like in Gateway Arch National Park vs St. Louis in August?

In August, Gateway Arch National Park averages 31°C high / 19°C low with about 115 mm of rain; St. Louis averages 31°C high / 19°C low with about 114 mm.

Gateway Arch National Park vs St. Louis in August

St. Louis is the better pick in August — 73 vs 66 on SeasonMap's comfort score. St. Louis is sweltering, rainy, while Gateway Arch National Park is sweltering, rainy.

Gateway Arch National Park vs St. Louis — August climate, side by side

	🇺🇸 Gateway Arch National Park	🇺🇸 St. Louis
Comfort score	66/100 (C)	73/100 (B)
Feels-like high	34°C	34°C
Avg high / low	31° / 19°	31° / 19°
Rainfall	115 mm	114 mm
Rainy days	8	8
Humidity	71%	71%
Air quality (AQI)	64	64

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

Month by month

Gateway Arch National Park vs St. Louis in August — FAQ

Is August better in Gateway Arch National Park or St. Louis?: St. Louis is the better pick in August — 73 vs 66 on SeasonMap's comfort score. St. Louis is sweltering, rainy, while Gateway Arch National Park is sweltering, rainy.
What is the weather like in Gateway Arch National Park vs St. Louis in August?: In August, Gateway Arch National Park averages 31°C high / 19°C low with about 115 mm of rain; St. Louis averages 31°C high / 19°C low with about 114 mm.