SeasonMapHelsinki vs Rovaniemi: which is better, month by month
Helsinki beats Rovaniemi in 8 of 12 months — its lead peaks in October (61 vs 51) — and they are within 3 points in May to August.
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.
Helsinki vs Rovaniemi — all 12 months
| Month | Helsinki | Rovaniemi | Winner | Gap |
|---|---|---|---|---|
| January | 30Ffreezing, a little rain, clean air | 24Ffreezing, a little rain, clean air | Helsinki | 6 |
| February | 38Ffreezing, a little rain, clean air | 33Ffreezing, a little rain, clean air | Helsinki | 5 |
| March | 52Dfreezing, a little rain, clean air | 47Ffreezing, dry, clean air | Helsinki | 5 |
| April | 70Bcold, a little rain, muggy air | 64Ccold, a little rain, clean air | Helsinki | 6 |
| May | 81Acool, a little rain, clean air | 78Bcold, a little rain, clean air | Tie | 3 |
| June | 90Snice, a little rain, clean air | 88Anice, a little rain, clean air | Tie | 2 |
| July | 93Snice, a little rain, clean air | 93Snice, a little rain, clean air | Tie | 0 |
| August | 87Anice, rainy, clean air | 85Anice, a little rain, clean air | Tie | 2 |
| September | 77Bcool, a little rain, clean air | 71Bcool, a little rain, clean air | Helsinki | 6 |
| October | 61Ccold, a little rain, clean air | 51Dcold, a little rain, clean air | Helsinki | 10 |
| November | 45Fcold, a little rain, clean air | 35Ffreezing, a little rain, clean air | Helsinki | 10 |
| December | 34Ffreezing, a little rain, clean air | 28Ffreezing, a little rain, clean air | Helsinki | 6 |
A month is a tie when the two are within 3 points. The widest gap is October (61 vs 51). Tap a month for that month's temperature, rain, humidity and air quality side by side.