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Innoshima
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Innoshima Weather and climate
Data source：Meteostat
Update date：2025-09
Innoshima year round climate
- Spring (March–May): Average 9.9–18.2°C, mild climate but with more rainfall, especially in April and May. Common activities: Hiking, flower viewing. Recommended clothing: Light jacket, long-sleeved shirt.
- Summer (June–August): Average 22.6–28.4°C, hot and humid, with relatively high rainfall, especially in July. Common activities: Beach activities, water sports. Recommended clothing: Light and breathable clothing, sun hat, sunglasses.
- Autumn (September–November): Average 18.4–13.0°C, pleasant and comfortable climate with less rainfall. Common activities: Sightseeing, outdoor recreation. Recommended clothing: Long-sleeved shirt, light jacket.
- Winter (December–February): Average 6.4–5.5°C, cold and dry with low rainfall. Common activities: Indoor activities, onsen experience. Recommended clothing: Warm clothing, thick jacket, scarf, gloves.
Innoshima climatological average
Annual average temperature: approx. 16°C / Annual rainfall: approx. 1175 mm / Summer humidity: 70%–80% / Rainiest month: July
Innoshima monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
4.7°C
22.3
February
5.5°C
55.2
March
9.9°C
106.4
April
15.1°C
137.2
May
18.2°C
161.4
June
22.6°C
167.8
July
27.7°C
177.6
August
28.4°C
107.8
September
26.5°C
82.9
October
18.4°C
77.6
November
13°C
59
December
6.4°C
19.8
Innoshima weather for the next seven days
10/29
Wednesday
Sunny
16.6°C/7.3°C
10/30
Thursday
Sunny
18.4°C/8.3°C
10/31
Friday
Heavy rain
14.2°C/12.6°C
11/1
Saturday
Patchy rain nearby
18.8°C/11.6°C
11/2
Sunday
Patchy rain nearby
17.2°C/10.1°C
11/3
Monday
Sunny
16.2°C/7.8°C
11/4
Tuesday
Partly Cloudy
17°C/8.9°C
