SeasonMapNikko vs Osaka: which is better, month by month
Osaka beats Nikko in 7 of 12 months — its lead peaks in January (69 vs 55) — while Nikko 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.
Nikko vs Osaka — all 12 months
| Month | Nikko | Osaka | Winner | Gap |
|---|---|---|---|---|
| January | 55Dcold, a little rain, clean air | 69Ccold, a little rain | Osaka | 14 |
| February | 60Ccold, a little rain, clean air | 71Bcold, a little rain | Osaka | 11 |
| March | 65Ccold, rainy, clean air | 75Bcool, rainy | Osaka | 10 |
| April | 74Bcool, rainy, muggy air | 83Anice, rainy | Osaka | 9 |
| May | 79Bnice, soaked, muggy air | 82Awarm, soaked | Tie | 3 |
| June | 78Bwarm, soaked, muggy air | 66Chot, soaked, muggy air | Nikko | 12 |
| July | 59Dhot, soaked, muggy air | 51Dsweltering, soaked, muggy air | Nikko | 8 |
| August | 61Chot, soaked, clean air | 53Dsweltering, soaked, muggy air | Nikko | 8 |
| September | 70Bwarm, soaked, clean air | 61Csweltering, soaked, muggy air | Nikko | 9 |
| October | 72Bnice, soaked, clean air | 80Awarm, soaked, muggy air | Osaka | 8 |
| November | 73Bcool, a little rain, clean air | 84Anice, a little rain, muggy air | Osaka | 11 |
| December | 64Ccold, a little rain, clean air | 73Bcool, a little rain, muggy air | Osaka | 9 |
A month is a tie when the two are within 3 points. The widest gap is January (55 vs 69). Tap a month for that month's temperature, rain, humidity and air quality side by side.