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

Gateway Arch National Park beats Mammoth Cave National Park in 4 of 12 months — its lead peaks in July (57 vs 50) — while Mammoth Cave National Park wins March and November; they are within 3 points in the other 6 months.

Each place is scored under the lens that suits its type. Comfort is SeasonMap's 0–100 estimate from ERA5 climate normals, not a forecast.

Gateway Arch National Park

🇺🇸 United States · mild climate

Best month
April 87/100
Months won
4 of 12

Mammoth Cave National Park

🇺🇸 United States · mild climate

Best month
April 87/100
Months won
2 of 12

Gateway Arch National Park vs Mammoth Cave National Park — all 12 months

MonthGateway Arch National ParkMammoth Cave National ParkWinnerGap
January65Ccold, a little rain, clean air66Ccold, rainy, clean airTie1
February73Bcold, a little rain, clean air70Bcool, soaked, clean airTie3
March77Bcool, rainy, clean air81Anice, rainy, clean airMammoth Cave National Park4
April87Anice, rainy, clean air87Anice, rainy, clean airTie0
May79Bwarm, rainy77Bwarm, rainy, clean airTie2
June66Csweltering, rainy62Csweltering, rainyGateway Arch National Park4
July57Dsweltering, rainy50Dsweltering, soakedGateway Arch National Park7
August66Csweltering, rainy59Dsweltering, rainyGateway Arch National Park7
September81Ahot, rainy, clean air75Bhot, rainy, clean airGateway Arch National Park6
October87Anice, a little rain, clean air85Awarm, rainy, clean airTie2
November78Bcool, a little rain, clean air82Acool, rainy, clean airMammoth Cave National Park4
December71Bcold, a little rain, clean air70Bcold, rainy, clean airTie1

A month is a tie when the two are within 3 points. The widest gap is July (57 vs 50). Tap a month for that month's temperature, rain, humidity and air quality side by side.