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Iheya Island

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Iheya Island Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Iheya Island year round climate

  • Spring (March–May): Average 19.6–23.5°C, warm and comfortable climate with more rainfall and occasional showers. Common activities: seaside walks, snorkeling, enjoying the ocean views. Recommended clothing: light long-sleeved clothing, light jacket, sun protection clothing.
  • Summer (June–August): Average 26.3–28.9°C, hot and humid, rainfall concentrated in June and August. Common activities: swimming, surfing, water sports. Recommended clothing: light and breathable clothing, swimwear, sunscreen, rain gear.
  • Autumn (September–November): Average 24.4–27.9°C, comfortable and pleasant climate with less rainfall. Common activities: hiking, trekking, appreciating natural scenery. Recommended clothing: light long-sleeved clothing, light jacket.
  • Winter (December–February): Average 17.7–19.7°C, mild and comfortable, moderate rainfall. Common activities: bird watching, seaside walks, enjoying leisure time. Recommended clothing: light jacket, long-sleeved clothing.

Iheya Island climatological average

Annual average temperature: approx. 23.5°C / Annual rainfall: approx. 2486 mm / Summer humidity: 75%–85% / Rainiest month: June

Iheya Island monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
17.7°C
99.7
February
18.4°C
123.1
March
19.6°C
219.9
April
22.2°C
188.6
May
23.5°C
218.8
June
26.3°C
438.2
July
28.9°C
154.8
August
28.5°C
328.2
September
27.9°C
175.4
October
26.6°C
121.4
November
24.4°C
189.8
December
19.7°C
228.6

Iheya Island weather for the next seven days

5/2
Saturday
Sunny
21.9°C/19.1°C
5/3
Sunday
Patchy rain nearby
24.5°C/21.8°C
5/4
Monday
Moderate rain
20.7°C/17.1°C
5/5
Tuesday
Heavy rain
18°C/16.8°C
5/6
Wednesday
Moderate rain
22.5°C/19.3°C
5/7
Thursday
Moderate rain
23.4°C/21.6°C
5/8
Friday
Moderate rain
24.7°C/23.4°C

Iheya Island Frequently Asked Questions and Useful Information for Travel

What is the best time to visit?

The best time to visit Iheya Island is usually in spring and autumn, when the weather is mild and suitable for visiting the island's attractions.

Which attractions are must-sees?

Must-see attractions on Iheya Island include the Tanaike Wetland in Iheya Village, Nobo Bridge, and the island’s traditional arts and sacred activities.