Oslo vs Shanghai: which is better, month by month

Shanghai beats Oslo in 7 of 12 months — its lead peaks in December (68 vs 36) — while Oslo wins May 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.

Oslo

🇳🇴 Norway · mild climate

Best month: July 94/100
Months won: 5 of 12

Shanghai

🇨🇳 China · mild climate

Best month: October 84/100
Months won: 7 of 12

Oslo vs Shanghai — all 12 months

Month	Oslo	Shanghai	Winner	Gap
January	33Ffreezing, a little rain, clean air	62Ccold, a little rain, poor air quality	Shanghai	29
February	43Ffreezing, a little rain, clean air	66Ccold, a little rain, poor air quality	Shanghai	23
March	61Ccold, a little rain, clean air	73Bcool, rainy, poor air quality	Shanghai	12
April	76Bcold, a little rain, clean air	83Anice, rainy, poor air quality	Shanghai	7
May	83Anice, a little rain, clean air	79Bwarm, rainy, muggy air	Oslo	4
June	90Snice, rainy, clean air	55Dhot, soaked, poor air quality	Oslo	35
July	94Swarm, rainy, clean air	48Fsweltering, soaked, poor air quality	Oslo	46
August	86Anice, rainy, clean air	57Dsweltering, rainy, poor air quality	Oslo	29
September	74Bnice, rainy, clean air	61Chot, soaked, muggy air	Oslo	13
October	59Dcold, rainy, clean air	84Awarm, a little rain, muggy air	Shanghai	25
November	47Fcold, a little rain, clean air	78Bnice, a little rain, poor air quality	Shanghai	31
December	36Ffreezing, a little rain, clean air	68Ccold, a little rain, poor air quality	Shanghai	32

A month is a tie when the two are within 3 points. The widest gap is July (94 vs 48). Tap a month for that month's temperature, rain, humidity and air quality side by side.