Indianapolis vs Niagara Falls: which is better, month by month

Indianapolis beats Niagara Falls in 7 of 12 months — its lead peaks in February (54 vs 45) — while Niagara Falls wins June to August; they are within 3 points in May and September.

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: 7 of 12

Niagara Falls

🇨🇦 Canada · mild climate

Best month: September 92/100
Months won: 3 of 12

Indianapolis vs Niagara Falls — all 12 months

Month	Indianapolis	Niagara Falls	Winner	Gap
January	41Ffreezing, a little rain, clean air	37Ffreezing, a little rain, clean air	Indianapolis	4
February	54Dcold, a little rain, clean air	45Ffreezing, a little rain, clean air	Indianapolis	9
March	63Ccold, rainy, clean air	57Dcold, a little rain, clean air	Indianapolis	6
April	74Bnice, rainy, clean air	68Ccold, rainy, clean air	Indianapolis	6
May	88Anice, rainy, clean air	85Anice, a little rain	Tie	3
June	79Bhot, rainy	89Awarm, a little rain	Niagara Falls	10
July	69Chot, rainy	77Bhot, rainy	Niagara Falls	8
August	78Bhot, rainy	82Ahot, rainy	Niagara Falls	4
September	89Awarm, a little rain, clean air	92Snice, a little rain, clean air	Tie	3
October	82Anice, a little rain, clean air	73Bcool, rainy, clean air	Indianapolis	9
November	64Ccold, a little rain, clean air	59Dcold, a little rain, clean air	Indianapolis	5
December	49Fcold, a little rain, clean air	43Ffreezing, a little rain, clean air	Indianapolis	6

A month is a tie when the two are within 3 points. The widest gap is June (79 vs 89). Tap a month for that month's temperature, rain, humidity and air quality side by side.