Detroit vs Gateway Arch National Park: which is better, month by month

Gateway Arch National Park beats Detroit in 7 of 12 months — its lead peaks in January (65 vs 39) — while Detroit wins May to September.

Each place is scored under the lens that suits its type — they are different kinds of destination, so the scores are each place at its own best. Comfort is SeasonMap's 0–100 estimate from ERA5 climate normals, not a forecast.

Detroit

🇺🇸 United States · mild climate

Best month
September 90/100
Months won
5 of 12

Gateway Arch National Park

🇺🇸 United States · mild climate

Best month
April 87/100
Months won
7 of 12

Detroit vs Gateway Arch National Park — all 12 months

MonthDetroitGateway Arch National ParkWinnerGap
January39Ffreezing, a little rain, clean air65Ccold, a little rain, clean airGateway Arch National Park26
February49Ffreezing, a little rain, clean air73Bcold, a little rain, clean airGateway Arch National Park24
March62Ccold, rainy, clean air77Bcool, rainy, clean airGateway Arch National Park15
April72Bcool, rainy, clean air87Anice, rainy, clean airGateway Arch National Park15
May87Anice, rainy79Bwarm, rainyDetroit8
June84Awarm, rainy66Csweltering, rainyDetroit18
July74Bhot, rainy57Dsweltering, rainyDetroit17
August78Bhot, rainy66Csweltering, rainyDetroit12
September90Swarm, rainy, clean air81Ahot, rainy, clean airDetroit9
October77Bcool, a little rain, clean air87Anice, a little rain, clean airGateway Arch National Park10
November60Ccold, a little rain, clean air78Bcool, a little rain, clean airGateway Arch National Park18
December46Fcold, a little rain, clean air71Bcold, a little rain, clean airGateway Arch National Park25

A month is a tie when the two are within 3 points. The widest gap is January (39 vs 65). Tap a month for that month's temperature, rain, humidity and air quality side by side.