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Iyo
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Iyo Weather and climate
Data source：Meteostat
Update date：2025-09
Iyo year round climate
- Spring (March–May): Average 10.1–18.5°C, mild climate but with relatively high rainfall, especially in April. Common activities: Hiking, flower viewing. Recommended clothing: Light jacket, comfortable long pants or skirt.
- Summer (June–August): Average 22.5–28°C, hot and humid with abundant rainfall. Common activities: Summer resorts, water activities. Recommended clothing: Light and breathable clothing, sun hat.
- Autumn (September–November): Average 17.8–25.2°C, comfortable and pleasant climate, but September has relatively high rainfall. Common activities: Maple viewing, hiking. Recommended clothing: Light jacket, comfortable long pants or skirt.
- Winter (December–February): Average 4.2–6.7°C, cold and dry with less rainfall. Common activities: Hot spring bathing, indoor activities. Recommended clothing: Warm jacket, scarf, gloves.
Iyo climatological average
Annual average temperature: approx. 16°C / Annual rainfall: approx. 1726 mm / Summer humidity: 70%–80% / Rainiest month: September
Iyo monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
4.2°C
28.7
February
5.4°C
50
March
10.1°C
129.1
April
15.3°C
138.2
May
18.5°C
149.3
June
22.5°C
261.4
July
27.6°C
170.7
August
28°C
251.1
September
25.2°C
324.6
October
17.8°C
128.3
November
13.1°C
71.6
December
6.7°C
23.9
Iyo weather for the next seven days
11/1
Saturday
Heavy rain
22.5°C/12.4°C
11/2
Sunday
Sunny
21°C/11.9°C
11/3
Monday
Partly Cloudy
17.5°C/10.6°C
11/4
Tuesday
Patchy rain nearby
13.6°C/12.5°C
11/5
Wednesday
Heavy rain
14.8°C/12.4°C
11/6
Thursday
Moderate rain
15.2°C/13.3°C
11/7
Friday
Partly Cloudy
17°C/10.8°C
