SeasonMapYakushima (Yakushima National Park) weather by month
Japan
The best time to visit Yakushima (Yakushima National Park) is April, October and November — 71/100 in October, 19°C and 15 rainy days. The best season is autumn, September to November (70/100 on average).
The worst month is June at 60/100 — nice, soaked, clean air. See June →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit Japan →
Yakushima, month by month
Comfort score out of 100 for the kind of trip Yakushima is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
| Month | Score | Tier | High | Rain | Sun | Crowds | On |
|---|---|---|---|---|---|---|---|
| JanJanuary | 64 | C | 8°C | 15 d | 6 h | Busy | 1 |
| FebFebruary | 64 | C | 9°C | 15 d | 6 h | Quiet | 1 |
| MarMarch | 66 | C | 12°C | 16 d | 7 h | Busy | 1 |
| AprApril | 69 | C | 15°C | 15 d | 8 h | Busy | — |
| MayMay | 68 | C | 18°C | 16 d | 8 h | Busy | 3 |
| JunJune | 60 | C | 21°C | 19 d | 8 h | Quiet | 3 |
| JulJuly | 66 | C | 23°C | 16 d | 10 h | Busy | 3 |
| AugAugust | 67 | C | 24°C | 14 d | 11 h | Busy | 1 |
| SepSeptember | 67 | C | 22°C | 18 d | 9 h | Shoulder | 1 |
| OctOctober | 71 | B | 19°C | 15 d | 8 h | Busy | 1 |
| NovNovember | 71 | B | 15°C | 12 d | 7 h | Busy | — |
| DecDecember | 67 | C | 10°C | 15 d | 6 h | Busy | 1 |
What's on in Yakushima through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
Crowds in Yakushima in October
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Busyschool holidays in 3 of the markets that fill it, one of its best months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet