Nagasaki vs Osaka: which is better, month by month

Osaka beats Nagasaki in 5 of 12 months — its lead peaks in June (66 vs 57) — while Nagasaki wins October; they are within 3 points in the other 6 months.

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.

Nagasaki

🇯🇵 Japan · mild climate

Best month: October 85/100
Months won: 1 of 12

Osaka

🇯🇵 Japan · mild climate

Best month: November 84/100
Months won: 5 of 12

Nagasaki vs Osaka — all 12 months

Month	Nagasaki	Osaka	Winner	Gap
January	65Ccold, a little rain, clean air	69Ccold, a little rain	Osaka	4
February	66Ccold, rainy, clean air	71Bcold, a little rain	Osaka	5
March	72Bcool, soaked	75Bcool, rainy	Tie	3
April	80Anice, soaked, muggy air	83Anice, rainy	Tie	3
May	78Bwarm, soaked, muggy air	82Awarm, soaked	Osaka	4
June	57Dhot, soaked, muggy air	66Chot, soaked, muggy air	Osaka	9
July	49Fsweltering, soaked, clean air	51Dsweltering, soaked, muggy air	Tie	2
August	52Dsweltering, soaked, clean air	53Dsweltering, soaked, muggy air	Tie	1
September	60Chot, soaked, clean air	61Csweltering, soaked, muggy air	Tie	1
October	85Awarm, rainy, clean air	80Awarm, soaked, muggy air	Nagasaki	5
November	81Anice, rainy, clean air	84Anice, a little rain, muggy air	Tie	3
December	68Ccold, rainy, clean air	73Bcool, a little rain, muggy air	Osaka	5

A month is a tie when the two are within 3 points. The widest gap is June (57 vs 66). Tap a month for that month's temperature, rain, humidity and air quality side by side.