SeasonMapLondon vs Trondheim: which is better, month by month
London beats Trondheim in 10 of 12 months — its lead peaks in January (54 vs 33) — and they are within 3 points in June to July.
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 Trondheim — all 12 months
| Month | London | Trondheim | Winner | Gap |
|---|---|---|---|---|
| January | 54Dcold, a little rain, clean air | 33Ffreezing, rainy, clean air | London | 21 |
| February | 63Ccold, a little rain, clean air | 44Ffreezing, a little rain, clean air | London | 19 |
| March | 69Ccold, a little rain, clean air | 56Dcold, a little rain, clean air | London | 13 |
| April | 79Bcool, a little rain, clean air | 70Bcold, a little rain, clean air | London | 9 |
| May | 86Anice, a little rain, clean air | 80Acool, a little rain, clean air | London | 6 |
| June | 91Snice, a little rain, clean air | 88Anice, a little rain, clean air | Tie | 3 |
| July | 94Swarm, a little rain, clean air | 92Snice, a little rain, clean air | Tie | 2 |
| August | 93Snice, a little rain, clean air | 84Anice, rainy, clean air | London | 9 |
| September | 84Anice, a little rain, clean air | 75Bcool, rainy, clean air | London | 9 |
| October | 73Bcool, a little rain, clean air | 60Ccold, rainy, clean air | London | 13 |
| November | 61Ccold, a little rain, clean air | 42Fcold, a little rain, clean air | London | 19 |
| December | 56Dcold, a little rain, clean air | 35Ffreezing, rainy, clean air | London | 21 |
A month is a tie when the two are within 3 points. The widest gap is January (54 vs 33). Tap a month for that month's temperature, rain, humidity and air quality side by side.