Thank you to our tour guide Jyo Xu and our driver for making our day wonderful! Jyo Xu always has a sweet smile, her explanations were very detailed and vivid, and she was always happy to help and share. Plus, the weather was fantastic, allowing us to take many beautiful photos and create wonderful memories.
Anonymous User
Family
Tsunoshima Island Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Tsunoshima Island year round climate
Spring (March–May): Average 10.8–19.1°C, mild climate but with relatively high rainfall, especially in April. Common activities: Spring outings, seaside walks. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
Summer (June–August): Average 23.2–29.0°C, hot and humid, with the most rainfall in July. Common activities: Swimming, surfing, water sports. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
Autumn (September–November): Average 19.4–26.1°C, comfortable and pleasant climate, with decreasing rainfall. Common activities: Autumn foliage viewing (if applicable), seaside walks, outdoor activities. Recommended clothing: Light jacket, long-sleeved shirt.
Winter (December–February): Average 6.1–8.0°C, cold and dry, with the least rainfall. Common activities: Bird watching, indoor activities. Recommended clothing: Warm jacket, hat, scarf, gloves.
Tsunoshima Island climatological average
Annual average temperature: approx. 17.2°C / Annual rainfall: approx. 1688 mm / Summer humidity: 70%–80% / Rainiest month: July
Tsunoshima Island monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
6.1°C
62.7
February
6.8°C
85
March
10.8°C
131.1
April
15.6°C
169.2
May
19.1°C
187.2
June
23.2°C
242.4
July
27.5°C
253.6
August
29°C
138.4
September
26.1°C
192.3
October
19.4°C
85
November
14.5°C
89.7
December
8°C
52
Tsunoshima Island weather for the next seven days
4/21
Tuesday
Patchy rain nearby
20.3°C/10°C
4/22
Wednesday
Patchy rain nearby
16.3°C/9°C
4/23
Thursday
Moderate rain
12.6°C/9.8°C
4/24
Friday
Sunny
18.9°C/8°C
4/25
Saturday
Sunny
18.7°C/9.5°C
4/26
Sunday
Patchy rain nearby
18.8°C/13.9°C
4/27
Monday
Partly Cloudy
20.3°C/12.8°C
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