SeasonMapBirmingham vs Trondheim: which is better, month by month
Birmingham beats Trondheim in 9 of 12 months — its lead peaks in January (52 vs 33) — and they are within 3 points in May 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.
Birmingham vs Trondheim — all 12 months
| Month | Birmingham | Trondheim | Winner | Gap |
|---|---|---|---|---|
| January | 52Dcold, a little rain, clean air | 33Ffreezing, rainy, clean air | Birmingham | 19 |
| February | 60Ccold, a little rain, clean air | 44Ffreezing, a little rain, clean air | Birmingham | 16 |
| March | 66Ccold, a little rain, clean air | 56Dcold, a little rain, clean air | Birmingham | 10 |
| April | 76Bcool, a little rain, clean air | 70Bcold, a little rain, clean air | Birmingham | 6 |
| May | 83Acool, a little rain, clean air | 80Acool, a little rain, clean air | Tie | 3 |
| June | 87Anice, a little rain, clean air | 88Anice, a little rain, clean air | Tie | 1 |
| July | 92Snice, a little rain, clean air | 92Snice, a little rain, clean air | Tie | 0 |
| August | 89Anice, a little rain, clean air | 84Anice, rainy, clean air | Birmingham | 5 |
| September | 79Bnice, a little rain, clean air | 75Bcool, rainy, clean air | Birmingham | 4 |
| October | 69Ccool, rainy, clean air | 60Ccold, rainy, clean air | Birmingham | 9 |
| November | 58Dcold, a little rain, clean air | 42Fcold, a little rain, clean air | Birmingham | 16 |
| December | 53Dcold, a little rain, clean air | 35Ffreezing, rainy, clean air | Birmingham | 18 |
A month is a tie when the two are within 3 points. The widest gap is January (52 vs 33). Tap a month for that month's temperature, rain, humidity and air quality side by side.