Temperature
Cool by day, brisk at night.
Cool days and some sun. Wind on ridges and viewpoints is the main drawback.

Cool by day, brisk at night.
Rain is frequent. About 15 wet days, fewer than in most months.
Cloudier spells limit sunshine.
Humidity is rarely noticeable in the cool air.
In April, afternoons feel about 38° and nights feel near 37°.
Mostly cloudy skies this month.
Wind is more noticeable in April; open areas can feel blustery.
April stays around 50°F through the day and night.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 43 | 38 | 5.4 | 16 | 5.7 | 66 |
| Feb | 44 | 39 | 5.8 | 15 | 6.6 | 67 |
| Mar | 48 | 44 | 7.3 | 16 | 7.2 | 68 |
| Apr | 53 | 49 | 9.1 | 15 | 8.5 | 70 |
| May | 57 | 53 | 13.5 | 18 | 8.8 | 75 |
| Jun | 62 | 59 | 16.7 | 18 | 7.4 | 84 |
| Jul | 66 | 64 | 7.8 | 18 | 10.8 | 86 |
| Aug | 67 | 65 | 8.7 | 17 | 11.2 | 83 |
| Sep | 66 | 64 | 5.5 | 17 | 9.6 | 79 |
| Oct | 61 | 58 | 7.4 | 15 | 8.3 | 71 |
| Nov | 54 | 50 | 5.7 | 14 | 7.1 | 66 |
| Dec | 46 | 41 | 4.8 | 15 | 6.1 | 65 |
Similar climates
Want a side-by-side climate view? Compare Yakushima with Pucon.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jul 31, 2026
Data & methodology