Florence vs Siena: which is better, month by month

Siena beats Florence in 4 of 12 months — its lead peaks in August (82 vs 75) — while Florence wins April to May; they are within 3 points in October to March.

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.

Florence

🇮🇹 Italy · mild climate

Best month: May 91/100
Months won: 2 of 12

Siena

🇮🇹 Italy · mild climate

Best month: June 91/100
Months won: 4 of 12

Florence vs Siena — all 12 months

Month	Florence	Siena	Winner	Gap
January	64Ccold, rainy, clean air	63Ccold, a little rain, clean air	Tie	1
February	68Ccool, rainy, muggy air	67Ccold, a little rain, clean air	Tie	1
March	77Bcool, rainy, clean air	74Bcool, a little rain, clean air	Tie	3
April	88Anice, a little rain, clean air	81Anice, a little rain, clean air	Florence	7
May	91Swarm, rainy, clean air	87Anice, rainy, clean air	Florence	4
June	85Ahot, a little rain, clean air	91Swarm, a little rain, clean air	Siena	6
July	79Bsweltering, dry, clean air	84Ahot, dry, clean air	Siena	5
August	75Bsweltering, a little rain, clean air	82Ahot, a little rain, clean air	Siena	7
September	84Ahot, rainy, clean air	90Swarm, rainy, clean air	Siena	6
October	83Anice, rainy, clean air	80Anice, rainy, clean air	Tie	3
November	67Ccool, rainy, clean air	65Ccool, rainy, clean air	Tie	2
December	61Ccool, rainy, clean air	61Ccold, rainy, clean air	Tie	0

A month is a tie when the two are within 3 points. The widest gap is April (88 vs 81). Tap a month for that month's temperature, rain, humidity and air quality side by side.