Yakushima in Spring
In spring (March, April and May), Yakushima sees average daytime highs around 19°C and overnight lows near 17°C, with 582 mm of rain over about 40 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs climb from about 16°C in early March to 23°C by late May. The sky is clear or mostly clear about 25% of the time across spring, and the air most often feels dry.
Spring is Yakushima's 2nd-best season to visit on our travel score. For the whole year in context, see Yakushima's year-round climate.
- Avg daytime high
- 19°C
- 3rd-warmest season
- Avg overnight low
- 17°C
- Rainfall
- 582 mm
- 40 wet days
- Avg wind
- 26 km/h
- Travel score
- 5.5
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Yakushima in Spring
Over the season highs climb from about 16°C in early March to 23°C by late May.
A typical spring day in Yakushima reaches about 19°C and drops to 17°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Yakushima
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
spring sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Yakushima weather by month
How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 14° / 12° | 122 | 13.1 | 10.3 | 3.8 |
| Feb | 15° / 12° | 126 | 12.7 | 10.9 | 4.0 |
| Mar | 17° / 14° | 182 | 14.6 | 11.8 | 4.8 |
| Apr | 19° / 17° | 190 | 12.7 | 12.7 | 5.7 |
| May | 22° / 20° | 210 | 12.9 | 13.5 | 6.1 |
| Jun | 25° / 23° | 438 | 19.6 | 13.9 | 5.1 |
| Jul | 27° / 26° | 173 | 12.6 | 13.8 | 5.9 |
| Aug | 28° / 27° | 141 | 14.7 | 13.1 | 5.4 |
| Sep | 27° / 25° | 237 | 15.8 | 12.2 | 5.7 |
| Oct | 24° / 22° | 170 | 13 | 11.3 | 6.5 |
| Nov | 20° / 18° | 149 | 12 | 10.5 | 6.1 |
| Dec | 16° / 14° | 114 | 11.8 | 10.1 | 4.9 |
Cloud cover in Spring
The sky is clear or mostly clear about 25% of the time across spring.
Chance of precipitation in Spring
Yakushima gets around 582 mm of rain over 40 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 26 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 18 min in early March to 13 h 48 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 4.8 kWh/m².
Hazard calendar for Yakushima
In spring, Yakushima overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Yakushima sits in the Pacific typhoon belt; the season peaks July–October.
Is spring a good time to visit Yakushima?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Yakushima for sightseeing.
What to pack for Yakushima in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Yakushima sees daytime highs around 19°C and nights near 17°C. Pack rain gear and a windbreaker. Worth having: light clothes, a warm layer and sun protection. About 40 days see rain.
Sea temperature near Yakushima in Spring
The nearest coast averages about 22°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 29°C and coldest in February near 20°C.
It's comfortable for a long swim from Feb 25 to Feb 7 — about 11.4 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 21 | 20 | 20 | 21 | 23 | 25 | 28 | 29 | 28 | 26 | 24 | 22 |
| Comfort | Refreshing | Cool | Refreshing | Refreshing | Refreshing | Warm | Warm | Tropical | Warm | Warm | Warm | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 21 | Refreshing |
| Feb | 20 | Cool |
| Mar | 20 | Refreshing |
| Apr | 21 | Refreshing |
| May | 23 | Refreshing |
| Jun | 25 | Warm |
| Jul | 28 | Warm |
| Aug | 29 | Tropical |
| Sep | 28 | Warm |
| Oct | 26 | Warm |
| Nov | 24 | Warm |
| Dec | 22 | Refreshing |
UV index in Yakushima in Spring
Clear-sky midday UV across spring averages around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Yakushima peaks around June 22 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 4 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 4 | 6 | 7 | 9 | 9 | 11 | 11 | 10 | 10 | 7 | 5 | 4 |
| Level | Moderate | High | Very high | Very high | Very high | Extreme | Extreme | Very high | Extreme | High | High | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 4 | Moderate |
| Feb | 6 | High |
| Mar | 7 | Very high |
| Apr | 9 | Very high |
| May | 9 | Very high |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 10 | Very high |
| Sep | 10 | Extreme |
| Oct | 7 | High |
| Nov | 5 | High |
| Dec | 4 | Moderate |
Air quality in Yakushima in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Yakushima is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (July, 10 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 13 | 16 | 20 | 21 | 19 | 13 | 10 | 11 | 10 | 10 | 11 | 10 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 13 | Moderate |
| Feb | 16 | Moderate |
| Mar | 20 | Moderate |
| Apr | 21 | Moderate |
| May | 19 | Moderate |
| Jun | 13 | Moderate |
| Jul | 10 | Good |
| Aug | 11 | Good |
| Sep | 10 | Good |
| Oct | 10 | Good |
| Nov | 11 | Good |
| Dec | 10 | Good |
Where is Yakushima?
Yakushima sits at 30.4°N, 130.6°E, 0 m above sea level, in Japan. The nearest listed city is Nishinoomote, 51 km away.
Topography around Yakushima
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Yakushima.
Within 3 km, the terrain around Yakushima has large variations in elevation — a maximum elevation change of 608 m around an average of 81 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,916 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,893 m.
The land around Yakushima is covered by trees (54%) and water (44%) within 3 km, water (67%) and trees (33%) within 16 km, and water (93%) within 80 km.
Japan travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B
- 100 V · 50 / 60 Hz
- Prices
- ≈ 65% of US
- price level, 2025
- GDP per capita
- $35,951
- 2025
- Happiness
- 6.1 / 10
- World Happiness, 2025
- Safe drinking water
- 99%
- of population, 2024
- Homicide rate
- 0.2
- per 100k, 2023
- Road deaths
- 3.6
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Very low
- EF EPI 446
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Yakushima (30.388°, 130.6492°, elevation 0 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.