Hiroshima vs Matsumoto: which is better, month by month

Hiroshima beats Matsumoto in 6 of 12 months — its lead peaks in October (87 vs 74) — while Matsumoto wins June to September; they are within 3 points in April to May.

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.

Hiroshima

🇯🇵 Japan · mild climate

Best month: October 87/100
Months won: 6 of 12

Matsumoto

🇯🇵 Japan · mild climate

Best month: May 84/100
Months won: 4 of 12

Hiroshima vs Matsumoto — all 12 months

Month	Hiroshima	Matsumoto	Winner	Gap
January	67Ccold, a little rain, clean air	57Dcold, rainy, clean air	Hiroshima	10
February	70Bcold, a little rain, clean air	62Ccold, rainy, clean air	Hiroshima	8
March	74Bcool, rainy	67Ccool, rainy, reliable snow	Hiroshima	7
April	81Anice, rainy	78Bnice, soaked	Tie	3
May	86Awarm, rainy, muggy air	84Awarm, soaked, clean air	Tie	2
June	68Chot, soaked, muggy air	76Bhot, soaked, muggy air	Matsumoto	8
July	53Dsweltering, soaked, clean air	58Dsweltering, soaked, clean air	Matsumoto	5
August	56Dsweltering, soaked, clean air	65Csweltering, soaked, clean air	Matsumoto	9
September	63Chot, soaked, clean air	71Bhot, soaked, clean air	Matsumoto	8
October	87Awarm, rainy, clean air	74Bnice, soaked, clean air	Hiroshima	13
November	83Anice, a little rain, clean air	72Bcool, rainy, clean air	Hiroshima	11
December	71Bcold, a little rain, clean air	62Ccold, rainy, clean air	Hiroshima	9

A month is a tie when the two are within 3 points. The widest gap is October (87 vs 74). Tap a month for that month's temperature, rain, humidity and air quality side by side.