SeasonMapBirmingham vs Helsinki: which is better, month by month
Birmingham beats Helsinki in 7 of 12 months — its lead peaks in January (52 vs 30) — and they are within 3 points in 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.
Birmingham vs Helsinki — all 12 months
| Month | Birmingham | Helsinki | Winner | Gap |
|---|---|---|---|---|
| January | 52Dcold, a little rain, clean air | 30Ffreezing, a little rain, clean air | Birmingham | 22 |
| February | 60Ccold, a little rain, clean air | 38Ffreezing, a little rain, clean air | Birmingham | 22 |
| March | 66Ccold, a little rain, clean air | 52Dfreezing, a little rain, clean air | Birmingham | 14 |
| April | 76Bcool, a little rain, clean air | 70Bcold, a little rain, muggy air | Birmingham | 6 |
| May | 83Acool, a little rain, clean air | 81Acool, a little rain, clean air | Tie | 2 |
| June | 87Anice, a little rain, clean air | 90Snice, a little rain, clean air | Tie | 3 |
| July | 92Snice, a little rain, clean air | 93Snice, a little rain, clean air | Tie | 1 |
| August | 89Anice, a little rain, clean air | 87Anice, rainy, clean air | Tie | 2 |
| September | 79Bnice, a little rain, clean air | 77Bcool, a little rain, clean air | Tie | 2 |
| October | 69Ccool, rainy, clean air | 61Ccold, a little rain, clean air | Birmingham | 8 |
| November | 58Dcold, a little rain, clean air | 45Fcold, a little rain, clean air | Birmingham | 13 |
| December | 53Dcold, a little rain, clean air | 34Ffreezing, a little rain, clean air | Birmingham | 19 |
A month is a tie when the two are within 3 points. The widest gap is January (52 vs 30). Tap a month for that month's temperature, rain, humidity and air quality side by side.