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Kuroshima

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Kuroshima Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Kuroshima year round climate

  • Spring (March–May): Average 12.6–19.2°C, mild climate but with relatively high rainfall and occasional overcast weather. Common activities: Flower viewing (e.g., rapeseed flowers, depending on the actual flowering season), seaside walks. Recommended clothing: Light jacket, long-sleeved shirt, rain gear.
  • Summer (June–August): Average 22.5–28.2°C, hot and humid, with relatively high rainfall. Common activities: Swimming, diving, water sports. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
  • Autumn (September–November): Average 20.6–16.3°C, comfortable temperatures, rainfall gradually decreasing. Common activities: Hiking, enjoying autumn scenery. Recommended clothing: Long-sleeved shirt, light jacket.
  • Winter (December–February): Average 9.8–9.3°C, lower temperatures, occasional strong winds, low rainfall. Common activities: Hot springs, enjoying winter seascapes. Recommended clothing: Warm jacket, sweater, scarf.

Kuroshima climatological average

Annual average temperature: approx. 18°C / Annual rainfall: approx. 1781 mm / Summer humidity: 75%–85% / Rainiest month: June

Kuroshima monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
8.5°C
62
February
9.3°C
122.3
March
12.6°C
157.4
April
16.4°C
159.7
May
19.2°C
185.9
June
22.5°C
260.5
July
26.7°C
207.7
August
28.2°C
187.6
September
26°C
160.6
October
20.6°C
80.1
November
16.3°C
140.9
December
9.8°C
57.1

Kuroshima weather for the next seven days

6/23
Tuesday
Heavy rain
22.7°C/20.1°C
6/24
Wednesday
Heavy rain
23.1°C/22.5°C
6/25
Thursday
Moderate rain
24.4°C/23.3°C
6/26
Friday
Patchy rain nearby
23.8°C/22.5°C
6/27
Saturday
Heavy rain
22.9°C/20.8°C
6/28
Sunday
Patchy rain nearby
23.5°C/22.7°C
6/29
Monday
Patchy rain nearby
24.7°C/22.7°C

Kuroshima Frequently Asked Questions and Useful Information for Travel

What does Kuroshima mean in Japanese?

Kuroshima translates to 'Black Island' in Japanese. It is also marketed as 'Heart Island' due to its heart-like shape when viewed from above.

Is Kuroshima part of Okinawa?

Yes, Kuroshima is an island located within the Yaeyama Islands in Okinawa Prefecture, Japan.

How do I get to Kuroshima Island?

The primary way to reach Kuroshima is by ferry from Ishigaki Island. The ferry ride typically takes between 30 to 40 minutes.

What can I do on Kuroshima Island?

Kuroshima is a small island perfect for exploring by bicycle. Visitors can enjoy its natural beauty and quiet atmosphere. It's an ideal destination for relaxation and enjoying the island's unique charm.

What is the approximate population of Kuroshima?

Kuroshima is known for its small, close-knit community. While specific numbers can fluctuate, it maintains a low population density, contributing to its tranquil ambiance.