St. Louis vs Toronto: which is better, month by month

St. Louis beats Toronto in 8 of 12 months — its lead peaks in February (62 vs 42) — while Toronto wins June to 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.

St. Louis

🇺🇸 United States · mild climate

Best month: May 87/100
Months won: 8 of 12

Toronto

🇨🇦 Canada · mild climate

Best month: September 93/100
Months won: 4 of 12

St. Louis vs Toronto — all 12 months

Month	St. Louis	Toronto	Winner	Gap
January	50Dcold, a little rain, clean air	36Ffreezing, a little rain, clean air	St. Louis	14
February	62Ccold, a little rain, clean air	42Ffreezing, a little rain, clean air	St. Louis	20
March	69Ccool, rainy, clean air	55Dcold, a little rain, clean air	St. Louis	14
April	80Anice, rainy, clean air	67Ccold, rainy	St. Louis	13
May	87Awarm, rainy	83Anice, a little rain	St. Louis	4
June	76Bsweltering, rainy	90Swarm, a little rain	Toronto	14
July	66Csweltering, rainy	79Bhot, rainy	Toronto	13
August	73Bsweltering, rainy	86Awarm, a little rain	Toronto	13
September	85Ahot, rainy, clean air	93Snice, a little rain, clean air	Toronto	8
October	84Anice, a little rain, clean air	73Bcool, a little rain, clean air	St. Louis	11
November	68Ccool, a little rain, clean air	60Ccold, a little rain, clean air	St. Louis	8
December	59Dcold, a little rain, clean air	44Ffreezing, a little rain, clean air	St. Louis	15

A month is a tie when the two are within 3 points. The widest gap is February (62 vs 42). Tap a month for that month's temperature, rain, humidity and air quality side by side.