Hiroshima vs Yakushima: which is better, month by month

Hiroshima beats Yakushima in 8 of 12 months — its lead peaks in May (86 vs 68) — while Yakushima wins July to September; they are within 3 points in January.

Each place is scored under the lens that suits its type — they are different kinds of destination, so the scores are each place at its own best. 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: 8 of 12

Yakushima

🇯🇵 Japan · mild climate

Best month: October 71/100
Months won: 3 of 12

Hiroshima vs Yakushima — all 12 months

Month	Hiroshima	Yakushima	Winner	Gap
January	67Ccold, a little rain, clean air	64Ccold, rainy, clean air	Tie	3
February	70Bcold, a little rain, clean air	64Ccold, soaked	Hiroshima	6
March	74Bcool, rainy	66Ccold, soaked	Hiroshima	8
April	81Anice, rainy	69Ccool, soaked	Hiroshima	12
May	86Awarm, rainy, muggy air	68Cnice, soaked, muggy air	Hiroshima	18
June	68Chot, soaked, muggy air	60Cnice, soaked, clean air	Hiroshima	8
July	53Dsweltering, soaked, clean air	66Cwarm, soaked, clean air	Yakushima	13
August	56Dsweltering, soaked, clean air	67Cwarm, soaked, clean air	Yakushima	11
September	63Chot, soaked, clean air	67Cnice, soaked, clean air	Yakushima	4
October	87Awarm, rainy, clean air	71Bnice, soaked, clean air	Hiroshima	16
November	83Anice, a little rain, clean air	71Bcool, soaked, clean air	Hiroshima	12
December	71Bcold, a little rain, clean air	67Ccold, rainy, clean air	Hiroshima	4

A month is a tie when the two are within 3 points. The widest gap is May (86 vs 68). Tap a month for that month's temperature, rain, humidity and air quality side by side.