SeasonMapHiroshima vs Tokyo: which is better, month by month
Hiroshima beats Tokyo in 3 of 12 months — its lead peaks in October (87 vs 75) — while Tokyo wins July to August; they are within 3 points in the other 7 months.
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.
Hiroshima vs Tokyo — all 12 months
| Month | Hiroshima | Tokyo | Winner | Gap |
|---|---|---|---|---|
| January | 67Ccold, a little rain, clean air | 67Ccold, a little rain | Tie | 0 |
| February | 70Bcold, a little rain, clean air | 72Bcold, a little rain | Tie | 2 |
| March | 74Bcool, rainy | 70Bcool, rainy | Hiroshima | 4 |
| April | 81Anice, rainy | 80Anice, rainy | Tie | 1 |
| May | 86Awarm, rainy, muggy air | 85Awarm, rainy, muggy air | Tie | 1 |
| June | 68Chot, soaked, muggy air | 71Bwarm, soaked, muggy air | Tie | 3 |
| July | 53Dsweltering, soaked, clean air | 58Dsweltering, soaked, muggy air | Tokyo | 5 |
| August | 56Dsweltering, soaked, clean air | 62Csweltering, rainy, muggy air | Tokyo | 6 |
| September | 63Chot, soaked, clean air | 66Chot, soaked, muggy air | Tie | 3 |
| October | 87Awarm, rainy, clean air | 75Bnice, soaked, muggy air | Hiroshima | 12 |
| November | 83Anice, a little rain, clean air | 77Bnice, rainy, muggy air | Hiroshima | 6 |
| December | 71Bcold, a little rain, clean air | 69Ccold, a little rain | Tie | 2 |
A month is a tie when the two are within 3 points. The widest gap is October (87 vs 75). Tap a month for that month's temperature, rain, humidity and air quality side by side.