Oslo vs Seoul: which is better, month by month

Seoul beats Oslo in 8 of 12 months — its lead peaks in October (83 vs 59) — while Oslo wins June to August; they are within 3 points in 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.

Oslo

🇳🇴 Norway · mild climate

Best month: July 94/100
Months won: 3 of 12

Seoul

🇰🇷 South Korea · mild climate

Best month: May 90/100
Months won: 8 of 12

Oslo vs Seoul — all 12 months

Month	Oslo	Seoul	Winner	Gap
January	33Ffreezing, a little rain, clean air	47Ffreezing, dry	Seoul	14
February	43Ffreezing, a little rain, clean air	59Dcold, dry	Seoul	16
March	61Ccold, a little rain, clean air	74Bcool, a little rain	Seoul	13
April	76Bcold, a little rain, clean air	85Anice, a little rain	Seoul	9
May	83Anice, a little rain, clean air	90Swarm, rainy	Seoul	7
June	90Snice, rainy, clean air	78Bhot, rainy	Oslo	12
July	94Swarm, rainy, clean air	51Dsweltering, soaked, muggy air	Oslo	43
August	86Anice, rainy, clean air	54Dsweltering, soaked, muggy air	Oslo	32
September	74Bnice, rainy, clean air	75Bhot, rainy, muggy air	Tie	1
October	59Dcold, rainy, clean air	83Anice, a little rain	Seoul	24
November	47Fcold, a little rain, clean air	70Bcool, a little rain	Seoul	23
December	36Ffreezing, a little rain, clean air	52Dcold, dry	Seoul	16

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.