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Mikunijima

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Mikunijima Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Mikunijima year round climate

  • Spring (March–May): Average 19.6–23.5°C, mild and comfortable climate, increasing rainfall, especially in May. Common activities: snorkeling, diving, beach walks. Recommended clothing: light long-sleeved clothing, light jacket.
  • Summer (June–August): Average 26.3–29°C, hot and humid, June has the most rainfall, July is relatively dry. Common activities: swimming, water sports, relaxing by the beach. Recommended clothing: light and breathable clothing, swimwear, sun hat.
  • Autumn (September–November): Average 27.9–24.4°C, gradually decreasing temperature, decreasing rainfall. Common activities: snorkeling, diving, watching the sunset. Recommended clothing: comfortable and breathable clothing, light jacket for mornings and evenings.
  • Winter (December–February): Average 17.7–19°C, lower temperature, moderate rainfall. Common activities: enjoying relatively fewer tourists, exploring the island interior. Recommended clothing: warm jacket, long pants.

Mikunijima climatological average

Annual average temperature: approx. 23.6°C / Annual rainfall: approx. 2538 mm / Summer humidity: 75%–85% / Rainiest month: June

Mikunijima 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
335.7
June
26.3°C
438.2
July
28.9°C
154.8
August
29°C
328.2
September
27.9°C
175.4
October
26.6°C
121.4
November
24.4°C
189.8
December
19°C
163.9

Mikunijima weather for the next seven days

12/23
Tuesday
Moderate rain
21.7°C/19.4°C
12/24
Wednesday
Moderate rain
21.1°C/18.7°C
12/25
Thursday
Patchy rain nearby
18.5°C/15.7°C
12/26
Friday
Patchy rain nearby
15.5°C/13.9°C
12/27
Saturday
Patchy rain nearby
17.1°C/14.1°C
12/28
Sunday
Patchy rain nearby
18.5°C/15.7°C
12/29
Monday
Patchy rain nearby
18.9°C/15.8°C