Weather Averages at The Gateway Arch

The Gateway Arch photo
Missouri

The Gateway Arch

 JanFebMarAprMayJunJulAugSepOctNovDec
High (°F)40°45°56°68°76°85°89°87°80°70°56°44°
Low (°F)21°25°35°45°54°63°68°65°57°45°35°25°

Source: NOAA