Spring (March–May): Average 55–67°F, mild climate but with relatively high rainfall, especially in April. Common activities: Flower viewing (if suitable plants are available), outdoor walks (rain gear needed). Recommended clothing: Light jacket, long-sleeved shirt, rain gear.
Summer (June–August): Average 73–82°F, hot and humid with relatively high rainfall, most rainfall in June. Common activities: Avoiding the heat, indoor activities. Recommended clothing: Light and breathable clothing, sun hat, rain gear.
Autumn (September–November): Average 69–79°F, comfortable and pleasant climate with gradually decreasing rainfall. Common activities: Hiking, outdoor excursions. Recommended clothing: Light jacket, long-sleeved shirt.
Winter (December–February): Average 47–49°F, cold climate with less rainfall. Common activities: Hot springs (if available nearby), indoor activities. Recommended clothing: Warm jacket, sweater, scarf, hat.
Izumi climatological average
Annual average temperature: approx. 64.4°F / Annual rainfall: approx. 2358 mm / Summer humidity: 75%–85% / Rainiest month: June
Izumi monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
47.1°F
73.9
February
49.3°F
105.2
March
55.8°F
167.9
April
62.6°F
291.2
May
67.3°F
240.9
June
73.6°F
423.7
July
81.7°F
346.9
August
82.4°F
204.2
September
79.5°F
197.8
October
69.1°F
117.6
November
61.3°F
122.2
December
49.1°F
66.6
Izumi weather for the next seven days
11/26
Wednesday
Sunny
59.1°F/51.6°F
11/27
Thursday
Patchy rain nearby
64.3°F/50.1°F
11/28
Friday
Patchy rain nearby
56.7°F/50.5°F
11/29
Saturday
Sunny
58.7°F/47°F
11/30
Sunday
Patchy rain nearby
65.3°F/49.7°F
12/1
Monday
Patchy rain nearby
58.1°F/51.8°F
12/2
Tuesday
Sunny
58.4°F/50.8°F
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