Hakone vs Hiroshima: which is better, month by month

Hiroshima beats Hakone in 8 of 12 months — its lead peaks in October (87 vs 69) — while Hakone 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.

Hakone

🇯🇵 Japan · mild climate

Best month: May 76/100
Months won: 4 of 12

Hiroshima

🇯🇵 Japan · mild climate

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

Hakone vs Hiroshima — all 12 months

Month	Hakone	Hiroshima	Winner	Gap
January	59Dcold, a little rain, clean air	67Ccold, a little rain, clean air	Hiroshima	8
February	61Ccold, rainy, clean air	70Bcold, a little rain, clean air	Hiroshima	9
March	62Ccold, soaked, clean air	74Bcool, rainy	Hiroshima	12
April	69Ccool, soaked, muggy air	81Anice, rainy	Hiroshima	12
May	76Bnice, soaked, muggy air	86Awarm, rainy, muggy air	Hiroshima	10
June	73Bnice, soaked, muggy air	68Chot, soaked, muggy air	Hakone	5
July	70Bhot, soaked, muggy air	53Dsweltering, soaked, clean air	Hakone	17
August	72Bhot, soaked, clean air	56Dsweltering, soaked, clean air	Hakone	16
September	73Bwarm, soaked, clean air	63Chot, soaked, clean air	Hakone	10
October	69Cnice, soaked, clean air	87Awarm, rainy, clean air	Hiroshima	18
November	71Bcool, rainy, clean air	83Anice, a little rain, clean air	Hiroshima	12
December	66Ccold, a little rain, clean air	71Bcold, a little rain, clean air	Hiroshima	5

A month is a tie when the two are within 3 points. The widest gap is October (69 vs 87). Tap a month for that month's temperature, rain, humidity and air quality side by side.