Indianapolis vs Louisville: which is better, month by month

Louisville beats Indianapolis in 7 of 12 months — its lead peaks in January (50 vs 41) — while Indianapolis wins August to September; they are within 3 points in May to July.

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.

Indianapolis

🇺🇸 United States · mild climate

Best month: September 89/100
Months won: 2 of 12

Louisville

🇺🇸 United States · mild climate

Best month: May 89/100
Months won: 7 of 12

Indianapolis vs Louisville — all 12 months

Month	Indianapolis	Louisville	Winner	Gap
January	41Ffreezing, a little rain, clean air	50Dcold, rainy, clean air	Louisville	9
February	54Dcold, a little rain, clean air	59Dcold, rainy, clean air	Louisville	5
March	63Ccold, rainy, clean air	70Bcool, rainy, clean air	Louisville	7
April	74Bnice, rainy, clean air	81Anice, rainy, clean air	Louisville	7
May	88Anice, rainy, clean air	89Awarm, rainy, clean air	Tie	1
June	79Bhot, rainy	78Bhot, rainy	Tie	1
July	69Chot, rainy	68Csweltering, rainy, muggy air	Tie	1
August	78Bhot, rainy	74Bsweltering, rainy	Indianapolis	4
September	89Awarm, a little rain, clean air	83Ahot, rainy, clean air	Indianapolis	6
October	82Anice, a little rain, clean air	87Anice, a little rain, clean air	Louisville	5
November	64Ccold, a little rain, clean air	69Ccool, a little rain, clean air	Louisville	5
December	49Fcold, a little rain, clean air	58Dcold, rainy, clean air	Louisville	9

A month is a tie when the two are within 3 points. The widest gap is January (41 vs 50). Tap a month for that month's temperature, rain, humidity and air quality side by side.