Spring (March–May): Average 52–65°F, mild and rainy with occasional showers. Common activities: flower viewing, hiking. Recommended clothing: light jacket, long-sleeved shirt, rain gear.
Summer (June–August): Average 71–81°F, 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 60–77°F, 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 44–49°F, 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. 62.6°F / Annual rainfall: approx. 1848 mm / Summer humidity: 70%–80% / Rainiest month: October
Iioka monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
44.6°F
58
February
46.4°F
120.7
March
52.9°F
144
April
60.4°F
180.3
May
65.5°F
209.3
June
71.1°F
229
July
78.6°F
77.7
August
81.1°F
153.3
September
77.9°F
174.3
October
68.9°F
279.3
November
61°F
173.3
December
49.5°F
49
Iioka weather for the next seven days
12/16
Tuesday
Patchy rain nearby
51.4°F/48.5°F
12/17
Wednesday
Sunny
54.9°F/49.1°F
12/18
Thursday
Patchy rain nearby
51.9°F/50.8°F
12/19
Friday
Patchy rain nearby
59.2°F/51.1°F
12/20
Saturday
Patchy rain nearby
64.9°F/59.6°F
12/21
Sunday
Moderate rain
65.7°F/63.4°F
12/22
Monday
Moderate rain
54.7°F/50.4°F
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