SeasonMapBirmingham vs Mariehamn: which is better, month by month
Birmingham beats Mariehamn in all 12 months — its lead peaks in December (53 vs 24).
Each place is scored under the lens that suits its type — they are different kinds of destination, so the scores are each place at its own best. Comfort is SeasonMap's 0–100 estimate from ERA5 climate normals, not a forecast.
Birmingham vs Mariehamn — all 12 months
| Month | Birmingham | Mariehamn | Winner | Gap |
|---|---|---|---|---|
| January | 52Dcold, a little rain, clean air | 27Ffreezing, a little rain, clean air | Birmingham | 25 |
| February | 60Ccold, a little rain, clean air | 37Ffreezing, a little rain, clean air | Birmingham | 23 |
| March | 66Ccold, a little rain, clean air | 51Dfreezing, a little rain, clean air | Birmingham | 15 |
| April | 76Bcool, a little rain, clean air | 63Ccold, a little rain, clean air | Birmingham | 13 |
| May | 83Acool, a little rain, clean air | 76Bcool, dry, clean air | Birmingham | 7 |
| June | 87Anice, a little rain, clean air | 82Anice, a little rain, clean air | Birmingham | 5 |
| July | 92Snice, a little rain, clean air | 87Anice, a little rain, clean air | Birmingham | 5 |
| August | 89Anice, a little rain, clean air | 80Anice, a little rain, clean air | Birmingham | 9 |
| September | 79Bnice, a little rain, clean air | 73Bcool, a little rain, clean air | Birmingham | 6 |
| October | 69Ccool, rainy, clean air | 49Fcold, rainy, clean air | Birmingham | 20 |
| November | 58Dcold, a little rain, clean air | 34Fcold, a little rain, clean air | Birmingham | 24 |
| December | 53Dcold, a little rain, clean air | 24Ffreezing, a little rain, clean air | Birmingham | 29 |
A month is a tie when the two are within 3 points. The widest gap is December (53 vs 24). Tap a month for that month's temperature, rain, humidity and air quality side by side.