SeasonMapHiroshima vs Nikko: which is better, month by month
Hiroshima beats Nikko in 8 of 12 months — its lead peaks in October (87 vs 72) — while Nikko wins June to September.
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 Nikko — all 12 months
| Month | Hiroshima | Nikko | Winner | Gap |
|---|---|---|---|---|
| January | 67Ccold, a little rain, clean air | 55Dcold, a little rain, clean air | Hiroshima | 12 |
| February | 70Bcold, a little rain, clean air | 60Ccold, a little rain, clean air | Hiroshima | 10 |
| March | 74Bcool, rainy | 65Ccold, rainy, clean air | Hiroshima | 9 |
| April | 81Anice, rainy | 74Bcool, rainy, muggy air | Hiroshima | 7 |
| May | 86Awarm, rainy, muggy air | 79Bnice, soaked, muggy air | Hiroshima | 7 |
| June | 68Chot, soaked, muggy air | 78Bwarm, soaked, muggy air | Nikko | 10 |
| July | 53Dsweltering, soaked, clean air | 59Dhot, soaked, muggy air | Nikko | 6 |
| August | 56Dsweltering, soaked, clean air | 61Chot, soaked, clean air | Nikko | 5 |
| September | 63Chot, soaked, clean air | 70Bwarm, soaked, clean air | Nikko | 7 |
| October | 87Awarm, rainy, clean air | 72Bnice, soaked, clean air | Hiroshima | 15 |
| November | 83Anice, a little rain, clean air | 73Bcool, a little rain, clean air | Hiroshima | 10 |
| December | 71Bcold, a little rain, clean air | 64Ccold, a little rain, clean air | Hiroshima | 7 |
A month is a tie when the two are within 3 points. The widest gap is October (87 vs 72). Tap a month for that month's temperature, rain, humidity and air quality side by side.