London vs Seoul: which is better, month by month

London beats Seoul in 7 of 12 months — its lead peaks in July (94 vs 51) — while Seoul wins March, April, May, October and November.

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.

London

🇬🇧 United Kingdom · mild climate

Best month: July 94/100
Months won: 7 of 12

Seoul

🇰🇷 South Korea · mild climate

Best month: May 90/100
Months won: 5 of 12

London vs Seoul — all 12 months

Month	London	Seoul	Winner	Gap
January	54Dcold, a little rain, clean air	47Ffreezing, dry	London	7
February	63Ccold, a little rain, clean air	59Dcold, dry	London	4
March	69Ccold, a little rain, clean air	74Bcool, a little rain	Seoul	5
April	79Bcool, a little rain, clean air	85Anice, a little rain	Seoul	6
May	86Anice, a little rain, clean air	90Swarm, rainy	Seoul	4
June	91Snice, a little rain, clean air	78Bhot, rainy	London	13
July	94Swarm, a little rain, clean air	51Dsweltering, soaked, muggy air	London	43
August	93Snice, a little rain, clean air	54Dsweltering, soaked, muggy air	London	39
September	84Anice, a little rain, clean air	75Bhot, rainy, muggy air	London	9
October	73Bcool, a little rain, clean air	83Anice, a little rain	Seoul	10
November	61Ccold, a little rain, clean air	70Bcool, a little rain	Seoul	9
December	56Dcold, a little rain, clean air	52Dcold, dry	London	4

A month is a tie when the two are within 3 points. The widest gap is July (94 vs 51). Tap a month for that month's temperature, rain, humidity and air quality side by side.