Hiroshima vs Okinawa: which is better, month by month
Hiroshima beats Okinawa in 6 of 12 months — its lead peaks in May (86 vs 72) — while Okinawa wins July to September; they are within 3 points in February, March and June.
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 Okinawa — all 12 months
| Month | Hiroshima | Okinawa | Winner | Gap |
|---|---|---|---|---|
| January | 67Ccold, a little rain, clean air | 62Cnice, rainy | Hiroshima | 5 |
| February | 70Bcold, a little rain, clean air | 67Cnice, rainy | Tie | 3 |
| March | 74Bcool, rainy | 71Bnice, rainy | Tie | 3 |
| April | 81Anice, rainy | 76Bwarm, rainy, muggy air | Hiroshima | 5 |
| May | 86Awarm, rainy, muggy air | 72Bhot, soaked, muggy air | Hiroshima | 14 |
| June | 68Chot, soaked, muggy air | 70Bhot, soaked, clean air | Tie | 2 |
| July | 53Dsweltering, soaked, clean air | 79Bsweltering, soaked, clean air | Okinawa | 26 |
| August | 56Dsweltering, soaked, clean air | 77Bsweltering, soaked, clean air | Okinawa | 21 |
| September | 63Chot, soaked, clean air | 75Bsweltering, soaked, clean air | Okinawa | 12 |
| October | 87Awarm, rainy, clean air | 78Bhot, rainy, clean air | Hiroshima | 9 |
| November | 83Anice, a little rain, clean air | 73Bwarm, rainy, clean air | Hiroshima | 10 |
| December | 71Bcold, a little rain, clean air | 60Cnice, soaked, clean air | Hiroshima | 11 |
A month is a tie when the two are within 3 points. The widest gap is July (53 vs 79). Tap a month for that month's temperature, rain, humidity and air quality side by side.