SeasonMapSapporo vs Sendai: which is better, month by month
Sendai beats Sapporo in 7 of 12 months — its lead peaks in December (64 vs 42) — while Sapporo wins June to September; they are within 3 points in May.
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.
Sapporo vs Sendai — all 12 months
| Month | Sapporo | Sendai | Winner | Gap |
|---|---|---|---|---|
| January | 40Ffreezing, a little rain, clean air | 57Dcold, a little rain, clean air | Sendai | 17 |
| February | 45Ffreezing, a little rain, clean air | 63Ccold, a little rain, clean air | Sendai | 18 |
| March | 57Dcold, a little rain, muggy air | 69Ccold, rainy, reliable snow | Sendai | 12 |
| April | 74Bcool, rainy, muggy air | 79Bcool, rainy, muggy air | Sendai | 5 |
| May | 84Anice, rainy, clean air | 87Anice, rainy, muggy air | Tie | 3 |
| June | 89Anice, rainy, clean air | 84Awarm, rainy, muggy air | Sapporo | 5 |
| July | 79Bhot, rainy, clean air | 65Chot, soaked, clean air | Sapporo | 14 |
| August | 67Chot, soaked, clean air | 59Dsweltering, soaked, clean air | Sapporo | 8 |
| September | 86Awarm, rainy, clean air | 73Bwarm, soaked, clean air | Sapporo | 13 |
| October | 73Bcool, rainy, clean air | 78Bnice, rainy, clean air | Sendai | 5 |
| November | 59Dcold, rainy, clean air | 76Bcool, a little rain, clean air | Sendai | 17 |
| December | 42Ffreezing, a little rain, clean air | 64Ccold, a little rain, clean air | Sendai | 22 |
A month is a tie when the two are within 3 points. The widest gap is December (42 vs 64). Tap a month for that month's temperature, rain, humidity and air quality side by side.