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Ishigaki Island Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Ishigaki Island year round climate
Spring (March–May): 21.6–25.7°C on average, warm and comfortable climate with increasing rainfall. Common activities: snorkeling, diving, viewing tropical plants. Recommended clothing: light long-sleeved clothing, light jacket.
Summer (June–August): 28.7–30.3°C on average, hot and humid, occasional showers. Common activities: beach activities, water sports, night stargazing. Recommended clothing: light and breathable short-sleeved clothing, swimwear, sunscreen.
Autumn (September–November): 24.4–28.8°C on average, comfortable and pleasant climate, with heavier rainfall in September. Common activities: snorkeling, diving, exploring the island's natural scenery. Recommended clothing: light long-sleeved or short-sleeved clothing.
Winter (December–February): 19.3–20.4°C on average, warm and comfortable, with less rainfall. Common activities: enjoying the warm sunshine, seaside walks, viewing the winter night sky. Recommended clothing: light jacket, long-sleeved clothing.
Ishigaki Island climatological average
Annual average temperature: approx. 25.1°C / Annual rainfall: approx. 2232 mm / Summer humidity: 75%–85% / Rainiest month: September
Ishigaki Island monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
19.3°C
96.7
February
20°C
123.3
March
21.6°C
98.3
April
24.6°C
113
May
25.7°C
333.7
June
28.7°C
195.7
July
30.3°C
148.3
August
30.1°C
177.3
September
28.8°C
354
October
27°C
231.7
November
24.4°C
203.3
December
20.4°C
157
Ishigaki Island weather for the next seven days
12/21
Sunday
Patchy rain nearby
23°C/21°C
12/22
Monday
Patchy rain nearby
21.2°C/20.4°C
12/23
Tuesday
Patchy rain nearby
22.8°C/21.4°C
12/24
Wednesday
Moderate rain
23.2°C/22.2°C
12/25
Thursday
Moderate rain
21.7°C/19.3°C
12/26
Friday
Patchy rain nearby
19.5°C/18.8°C
12/27
Saturday
Patchy rain nearby
20.7°C/19.8°C
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