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Dense trees covering a coastal hillside above the water on Yakushima

Photo: Trees along the coast in Yakushima, Japan 2015 (22676544984).jpg by jillllybean (CC BY-SA 2.0, cropped), via Wikimedia Commons.

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

The JMA's Yakushima station is near the coast, 37 m above sea level, so these figures are for the coast, not the mountains. In March, Yakushima averages a high of 18.0°C (64°F) and a low of 11.3°C (52°F), with 387.0 mm of rain on about 15.2 days (JMA, 1991–2020).

Yakushima weather in March

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

High
18.0°C (64°F)
Low
11.3°C (52°F)
Precipitation
387.0 mm
Wet days
15.2 days
Sunshine
118 hours
  • Highs rise 2.5°C from February and climb another 3.4°C into April.
  • That is 4.9°C below Yakushima's yearly average high of 22.9°C.
  • Of our 34 places with temperature records, Yakushima is the 4th warmest in March: 3.9°C cooler than Naha and 0.5°C warmer than Kagoshima.
  • March is Yakushima's 5th wettest month (387.0 mm).
  • Of our 35 places, Yakushima gets the most precipitation in March: 102.4 mm more than Hakone.
  • Rain of 1 mm or more falls on 15.2 days, and 10 mm or more on 9.0 days.
  • Rain of 30 mm or more in one day falls on 4.3 days, and 50 mm or more on 2.4 days, including 0.6 days with 100 mm or more.
  • The sun is out for 40% or more of the possible hours on 11.5 days, and 7.3 days have under 0.1 hours of sunshine.
Average temperature
14.6°C (58°F)
Humidity
69%
Days of 25°C or more
0.5 days

Early, mid and late March

Yakushima in March by ten-day period: averages for 1991–2020 (JMA)
DaysHighLowPrecipitation
1–10 March16.8°C10.3°C142.3 mm
11–20 March18.1°C11.3°C118.6 mm
21–31 March18.8°C12.2°C126.2 mm

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

By ten-day totals, 1–10 March is the wettest (142.3 mm) and 11–20 March the driest (118.6 mm).

What to wear on Yakushima in March

Cool: highs around 18.0°C

  • Long sleeves with a light jacket or sweater.
  • Rain gear every day: a sturdy umbrella and a water-resistant jacket. Rain falls on 15.2 days.

Pack

  • Sturdy umbrella and rain jacket

Holidays and crowds in March

National holidays in March 2027:

  • Sun 21 March — Vernal Equinox Day
  • Mon 22 March — Substitute holiday
  • Sat 20 March to Mon 22 March: 3 days off in a row

In March 2025, hotels and inns across Kagoshima Prefecture were 55.4% full on average (3rd busiest of 12 months). Foreign guests spent 69,170 nights there that month (Japan Tourism Agency). That compares with 57.0% in February and 49.0% in April.

Frequently asked questions

What is the weather like on Yakushima in March?

The average high is 18.0°C (64°F) and the average low 11.3°C (52°F). 387.0 mm of rain falls on about 15.2 days (JMA, 1991–2020).

What should I wear on Yakushima in March?

Long sleeves with a light jacket or sweater. Rain gear every day: a sturdy umbrella and a water-resistant jacket. Rain falls on 15.2 days.

Is Yakushima busy in March?

In March 2025, hotels and inns across Kagoshima Prefecture were 55.4% full on average (3rd busiest of 12 months). Foreign guests spent 69,170 nights there that month (Japan Tourism Agency).

What are the record temperatures for March on Yakushima?

The highest temperature the JMA has recorded in Yakushima in March is 29.6°C (85°F), on 30 March 1979. The lowest is 1.5°C (35°F), on 6 March 2005.

March records on Yakushima

The extremes the JMA has measured in March at its Yakushima station.

Hottest March day
29.6°C (85°F) on 30 March 1979 (records since 1938)
Coldest March night
1.5°C (35°F) on 6 March 2005 (records since 1938)
Wettest March day
334.5 mm on 13 March 2014 (records since 1938)

Yakushima before and after March

Yakushima: February, March and April (JMA, 1991–2020)
MonthHighLowPrecipitationWet days
February15.5°C (−2.5°C)9.2°C (−2.1°C)289.2 mm (−97.8 mm)13.6 days (−1.6 days)
March18.0°C11.3°C387.0 mm15.2 days
April21.4°C (+3.4°C)14.2°C (+2.9°C)405.5 mm (+18.5 mm)12.6 days (−2.6 days)

Other places in March

March: Yakushima against five other places (JMA, 1991–2020)
PlaceHighAgainst YakushimaWet daysAgainst Yakushima
Kagoshima17.5°C−0.5°C11.9 days−3.3 days
Kumamoto16.1°C−1.9°C10.4 days−4.8 days
Nagasaki15.3°C−2.7°C10.1 days−5.1 days
Fukuoka15.0°C−3.0°C10.1 days−5.1 days
Hiroshima14.5°C−3.5°C9.0 days−6.2 days

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