SeasonMapOsaka vs Sendai: which is better, month by month
Osaka beats Sendai in 6 of 12 months — its lead peaks in January (69 vs 57) — while Sendai wins May to September; they are within 3 points in October.
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.
Osaka vs Sendai — all 12 months
| Month | Osaka | Sendai | Winner | Gap |
|---|---|---|---|---|
| January | 69Ccold, a little rain | 57Dcold, a little rain, clean air | Osaka | 12 |
| February | 71Bcold, a little rain | 63Ccold, a little rain, clean air | Osaka | 8 |
| March | 75Bcool, rainy | 69Ccold, rainy, reliable snow | Osaka | 6 |
| April | 83Anice, rainy | 79Bcool, rainy, muggy air | Osaka | 4 |
| May | 82Awarm, soaked | 87Anice, rainy, muggy air | Sendai | 5 |
| June | 66Chot, soaked, muggy air | 84Awarm, rainy, muggy air | Sendai | 18 |
| July | 51Dsweltering, soaked, muggy air | 65Chot, soaked, clean air | Sendai | 14 |
| August | 53Dsweltering, soaked, muggy air | 59Dsweltering, soaked, clean air | Sendai | 6 |
| September | 61Csweltering, soaked, muggy air | 73Bwarm, soaked, clean air | Sendai | 12 |
| October | 80Awarm, soaked, muggy air | 78Bnice, rainy, clean air | Tie | 2 |
| November | 84Anice, a little rain, muggy air | 76Bcool, a little rain, clean air | Osaka | 8 |
| December | 73Bcool, a little rain, muggy air | 64Ccold, a little rain, clean air | Osaka | 9 |
A month is a tie when the two are within 3 points. The widest gap is June (66 vs 84). Tap a month for that month's temperature, rain, humidity and air quality side by side.