Spring (March–May): Average 11.6–18.6°C, mild and rainy with occasional showers. Common activities: flower viewing, hiking. Recommended clothing: light jacket, long-sleeved shirt, rain gear.
Summer (June–August): Average 21.7–27.3°C, hot and humid with occasional showers. Common activities: beach activities, water sports. Recommended clothing: light and breathable clothing, sun hat, sunscreen.
Autumn (September–November): Average 16.1–25.5°C, comfortable and pleasant, with more rain in October. Common activities: viewing autumn leaves, outdoor excursions. Recommended clothing: comfortable long-sleeved shirts, jacket.
Winter (December–February): Average 7.0–9.7°C, cold and dry with little rain. Common activities: hot spring bathing, indoor activities. Recommended clothing: warm jacket, hat, scarf, gloves.
Iioka climatological average
Annual average temperature: approx. 17°C / Annual rainfall: approx. 1848 mm / Summer humidity: 70%–80% / Rainiest month: October
Iioka monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
7°C
58
February
8°C
120.7
March
11.6°C
144
April
15.8°C
180.3
May
18.6°C
209.3
June
21.7°C
229
July
25.9°C
77.7
August
27.3°C
153.3
September
25.5°C
174.3
October
20.5°C
279.3
November
16.1°C
173.3
December
9.7°C
49
Iioka weather for the next seven days
10/30
Thursday
Patchy rain nearby
17.6°C/14.6°C
10/31
Friday
Moderate rain
20.5°C/17.2°C
11/1
Saturday
Heavy rain
23.3°C/19.1°C
11/2
Sunday
Sunny
21.1°C/17.6°C
11/3
Monday
Patchy rain nearby
16.8°C/15.8°C
11/4
Tuesday
Patchy rain nearby
19.3°C/15.9°C
11/5
Wednesday
Heavy rain
19.5°C/18.5°C
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