SeasonMapFukuoka vs Karuizawa: which is better, month by month
Fukuoka beats Karuizawa in 7 of 12 months — its lead peaks in October (87 vs 66) — while Karuizawa 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.
Fukuoka vs Karuizawa — all 12 months
| Month | Fukuoka | Karuizawa | Winner | Gap |
|---|---|---|---|---|
| January | 67Ccold, a little rain, clean air | 51Dfreezing, a little rain, clean air | Fukuoka | 16 |
| February | 69Ccold, rainy, clean air | 54Dfreezing, a little rain, clean air | Fukuoka | 15 |
| March | 74Bcool, rainy, muggy air | 63Ccold, rainy, reliable snow | Fukuoka | 11 |
| April | 81Anice, rainy, muggy air | 73Bcool, rainy | Fukuoka | 8 |
| May | 82Awarm, soaked, muggy air | 79Bnice, rainy, muggy air | Tie | 3 |
| June | 61Chot, soaked, muggy air | 77Bnice, soaked, muggy air | Karuizawa | 16 |
| July | 48Fsweltering, soaked, clean air | 71Bhot, soaked, clean air | Karuizawa | 23 |
| August | 52Dsweltering, soaked, muggy air | 75Bhot, soaked, clean air | Karuizawa | 23 |
| September | 60Chot, soaked, muggy air | 78Bnice, soaked, clean air | Karuizawa | 18 |
| October | 87Awarm, rainy, clean air | 66Ccool, soaked, clean air | Fukuoka | 21 |
| November | 83Anice, a little rain, clean air | 69Ccold, a little rain, clean air | Fukuoka | 14 |
| December | 71Bcool, a little rain, clean air | 58Dcold, a little rain, clean air | Fukuoka | 13 |
A month is a tie when the two are within 3 points. The widest gap is July (48 vs 71). Tap a month for that month's temperature, rain, humidity and air quality side by side.