Spring (March–May): Average 43–59°F, climate transitions from cold to warm, with relatively high rainfall, especially in April and May. Common activities: Flower viewing, spring outings. Recommended clothing: Light jacket, comfortable long pants or skirt.
Summer (June–August): Average 68–76°F, warm and humid climate with abundant rainfall. Common activities: Summer resort, outdoor activities (note sun protection and rain gear). Recommended clothing: Light and breathable clothing, rain gear.
Autumn (September–November): Average 48–71°F, pleasant and comfortable climate with gradually decreasing rainfall. Common activities: Hiking, maple viewing (depending on altitude). Recommended clothing: Light jacket, long-sleeved shirt.
Winter (December–February): Average 33–37°F, cold and dry climate with less rainfall. Common activities: Hot spring experience, indoor activities. Recommended clothing: Warm clothing, thick jacket, scarf and gloves.
Weather in Itamuro
Annual average temperature: approx. 54.9°F / Annual rainfall: approx. 1391 mm / Summer humidity: 70%–80% / Rainiest month: July
Itamuro weather by month
Month
Air temperature (°F)
Precipitation (mm)
January
33.8°F
34.9
February
35.2°F
42.6
March
43.2°F
110.2
April
54.3°F
111.5
May
59.9°F
177.8
June
68°F
179.6
July
76.8°F
184.9
August
76.8°F
156
September
72°F
180.2
October
58.1°F
113.7
November
48.9°F
78.4
December
37.8°F
21.4
7-day weather forecast for Itamuro
10/18
Sunday
Sunny
64.9°F/45.9°F
10/19
Monday
Overcast
68°F/53°F
10/20
Tuesday
Fog
62.8°F/58.2°F
10/21
Wednesday
Fog
74°F/58.4°F
10/22
Thursday
Overcast
59.9°F/45.6°F
10/23
Friday
Sunny
59.1°F/41.3°F
10/24
Saturday
Sunny
63°F/42.6°F
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