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Okinoshima Island

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Okinoshima Island Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Okinoshima Island year round climate

  • Spring (March–May): Average 11.6–18.7°C, mild climate but with relatively high rainfall, especially in April. Common activities: enjoying coastal scenery, island exploration. Recommended clothing: light jacket, long-sleeved shirts and pants.
  • Summer (June–August): Average 22.4–28.2°C, hot and humid with relatively high rainfall, but August has relatively less rainfall. Common activities: swimming, sunbathing. Recommended clothing: light and breathable clothing, sun hat, sunscreen.
  • Autumn (September–November): Average 15.4–25.7°C, comfortable temperature, with September being the rainiest month. Common activities: enjoying autumn scenery, outdoor hiking. Recommended clothing: light jacket, long-sleeved shirts and pants.
  • Winter (December–February): Average 7.1–8.4°C, cold and dry with less rainfall. Common activities: enjoying winter seascapes. Recommended clothing: warm jacket, scarf, hat.

Okinoshima Island climatological average

Annual average temperature: approx. 17.4°C / Annual rainfall: approx. 1620 mm / Summer humidity: 75%–85% / Rainiest month: September

Okinoshima Island monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
7.1°C
67.6
February
8.2°C
94.5
March
11.6°C
127
April
15.6°C
174.5
May
18.7°C
160.5
June
22.4°C
204.4
July
26.8°C
185.7
August
28.2°C
133.3
September
25.7°C
216.3
October
20.2°C
66.9
November
15.4°C
126.9
December
8.4°C
63

Okinoshima Island weather for the next seven days

4/14
Tuesday
Heavy rain
16.6°C/14.7°C
4/15
Wednesday
Patchy rain nearby
15.1°C/14°C
4/16
Thursday
Patchy rain nearby
17.9°C/13.3°C
4/17
Friday
Partly Cloudy
17.1°C/13.1°C
4/18
Saturday
Moderate rain
15.5°C/14.1°C
4/19
Sunday
Partly Cloudy
20.7°C/13.5°C
4/20
Monday
Patchy rain nearby
20.4°C/15.9°C