Yakushima in April: weather, what to wear and what's on

Averages for 1991–2020 at the JMA's Yakushima station (37 m above sea level).

High

21.4°C (71°F)

Low

14.2°C (58°F)

Precipitation

405.5 mm

Wet days

12.6 days

Sunshine

146 hours

• Highs rise 3.4°C from March and climb another 3.1°C into May.
• That is 1.5°C below Yakushima's yearly average high of 22.9°C.
• Of our 34 places with temperature records, Yakushima is the 6th warmest in April: level with Kumamoto and 1.3°C warmer than Kyoto.
• April is Yakushima's 4th wettest month (405.5 mm).
• Of our 35 places, Yakushima gets the most precipitation in April: 83.7 mm more than Hakone.
• Rain of 1 mm or more falls on 12.6 days, and 10 mm or more on 7.5 days.
• Rain of 30 mm or more in one day falls on 4.5 days, and 50 mm or more on 2.7 days, including 0.9 days with 100 mm or more.
• The sun is out for 40% or more of the possible hours on 13.7 days, and 5.5 days have under 0.1 hours of sunshine.

Average temperature

17.8°C (64°F)

Humidity

71%

Days of 25°C or more

2.2 days

Early, mid and late April

By the last ten days of April the average high in Yakushima is 2.0°C higher than in the first ten.

By ten-day totals, 21–30 April is the wettest (164.3 mm) and 1–10 April the driest (110.6 mm).

Mild: highs around 21.4°C

• Long sleeves, or a T-shirt with a light jacket or cardigan.
• An umbrella: rain falls on 12.6 days.

Pack

• Umbrella

• Our clothing rules

National holidays in April 2027:

• Thu 29 April — Showa Day

In April 2025, hotels and inns across Kagoshima Prefecture were 49.0% full on average (9th busiest of 12 months). Foreign guests spent 73,680 nights there that month (Japan Tourism Agency). That compares with 55.4% in March and 51.0% in May.

• Japan in April: visitor numbers and busy travel days
• Holidays in April
• Golden Week