SeasonMapLondon vs Shanghai: which is better, month by month
Shanghai beats London in 6 of 12 months — its lead peaks in November (78 vs 61) — while London wins May to September; they are within 3 points in February.
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 vs Shanghai — all 12 months
| Month | London | Shanghai | Winner | Gap |
|---|---|---|---|---|
| January | 54Dcold, a little rain, clean air | 62Ccold, a little rain, poor air quality | Shanghai | 8 |
| February | 63Ccold, a little rain, clean air | 66Ccold, a little rain, poor air quality | Tie | 3 |
| March | 69Ccold, a little rain, clean air | 73Bcool, rainy, poor air quality | Shanghai | 4 |
| April | 79Bcool, a little rain, clean air | 83Anice, rainy, poor air quality | Shanghai | 4 |
| May | 86Anice, a little rain, clean air | 79Bwarm, rainy, muggy air | London | 7 |
| June | 91Snice, a little rain, clean air | 55Dhot, soaked, poor air quality | London | 36 |
| July | 94Swarm, a little rain, clean air | 48Fsweltering, soaked, poor air quality | London | 46 |
| August | 93Snice, a little rain, clean air | 57Dsweltering, rainy, poor air quality | London | 36 |
| September | 84Anice, a little rain, clean air | 61Chot, soaked, muggy air | London | 23 |
| October | 73Bcool, a little rain, clean air | 84Awarm, a little rain, muggy air | Shanghai | 11 |
| November | 61Ccold, a little rain, clean air | 78Bnice, a little rain, poor air quality | Shanghai | 17 |
| December | 56Dcold, a little rain, clean air | 68Ccold, a little rain, poor air quality | Shanghai | 12 |
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.