Hiroshima vs Yakushima: which is better, month by month
Hiroshima beats Yakushima in 8 of 12 months — its lead peaks in May (86 vs 68) — while Yakushima wins July to September; they are within 3 points in January.
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.
Hiroshima vs Yakushima — all 12 months
| Month | Hiroshima | Yakushima | Winner | Gap |
|---|---|---|---|---|
| January | 67Ccold, a little rain, clean air | 64Ccold, rainy, clean air | Tie | 3 |
| February | 70Bcold, a little rain, clean air | 64Ccold, soaked | Hiroshima | 6 |
| March | 74Bcool, rainy | 66Ccold, soaked | Hiroshima | 8 |
| April | 81Anice, rainy | 69Ccool, soaked | Hiroshima | 12 |
| May | 86Awarm, rainy, muggy air | 68Cnice, soaked, muggy air | Hiroshima | 18 |
| June | 68Chot, soaked, muggy air | 60Cnice, soaked, clean air | Hiroshima | 8 |
| July | 53Dsweltering, soaked, clean air | 66Cwarm, soaked, clean air | Yakushima | 13 |
| August | 56Dsweltering, soaked, clean air | 67Cwarm, soaked, clean air | Yakushima | 11 |
| September | 63Chot, soaked, clean air | 67Cnice, soaked, clean air | Yakushima | 4 |
| October | 87Awarm, rainy, clean air | 71Bnice, soaked, clean air | Hiroshima | 16 |
| November | 83Anice, a little rain, clean air | 71Bcool, soaked, clean air | Hiroshima | 12 |
| December | 71Bcold, a little rain, clean air | 67Ccold, rainy, clean air | Hiroshima | 4 |
A month is a tie when the two are within 3 points. The widest gap is May (86 vs 68). Tap a month for that month's temperature, rain, humidity and air quality side by side.