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Ikuchijima

Ikuchijima 1
Travel Info
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Travel Info

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Ikuchijima Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Ikuchijima year round climate

  • Spring (March–May): Average 49–64°F, mild climate, increasing rainfall, occasional showers in March and April, more rainfall in May. Common activities: cycling around the island, enjoying coastal scenery. Recommended clothing: light jacket, long-sleeved shirt, comfortable shoes.
  • Summer (June–August): Average 72–83°F, hot and humid, more rainfall, especially in July. Common activities: swimming, relaxing by the beach, enjoying the island's natural scenery. Recommended clothing: light and breathable clothing, hat, sunscreen.
  • Autumn (September–November): Average 65–55°F, comfortable and pleasant climate, less rainfall, a good season for tourism. Common activities: hiking, admiring autumn scenery, tasting local cuisine. Recommended clothing: light jacket, long-sleeved shirt, comfortable shoes.
  • Winter (December–February): Average 43–41°F, cold and dry, less rainfall. Common activities: indoor activities, onsen experience. Recommended clothing: warm coat, sweater, scarf, gloves.

Ikuchijima climatological average

Annual average temperature: approx. 60.8°F / Annual rainfall: approx. 1175 mm / Summer humidity: 70%–80% / Rainiest month: July

Ikuchijima monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
40.5°F
22.3
February
41.9°F
55.2
March
49.8°F
106.4
April
59.2°F
137.2
May
64.8°F
161.4
June
72.7°F
167.8
July
81.9°F
177.6
August
83.1°F
107.8
September
79.7°F
82.9
October
65.1°F
77.6
November
55.4°F
59
December
43.5°F
19.8

Ikuchijima weather for the next seven days

9/18
Friday
Light rain shower
82.3°F/67.9°F
9/19
Saturday
Patchy rain nearby
81.4°F/70.5°F
9/20
Sunday
Overcast
81.1°F/69.7°F
9/21
Monday
Sunny
79.9°F/66.2°F
9/22
Tuesday
Sunny
82.1°F/62.7°F
9/23
Wednesday
Sunny
80.1°F/64.2°F
9/24
Thursday
Overcast
80.9°F/66.7°F

Ikuchijima Frequently Asked Questions and Useful Information for Travel

What is the best time to visit?

The best time to visit is in spring and autumn each year, when the weather is most stable and suitable for enjoying the island's beauty.

Which attractions are must-sees?

Must-visit attractions include the Shimanami Kaido Bike Trail, the island views of the Seto Inland Sea, and the various small islands along the way.