Spring (March–May): Average 51–66°F, mild climate but with relatively high rainfall, especially in March and April. Common activities: Flower viewing, hiking. Recommended clothing: Light jacket, long-sleeved shirt, rain gear.
Summer (June–August): Average 73–83°F, hot and humid, with abundant rainfall from June to September. Common activities: Swimming, outdoor summer activities. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
Autumn (September–November): Average 57–78°F, comfortable and pleasant climate, with relatively high rainfall in September. Common activities: Maple leaf viewing, outdoor excursions. Recommended clothing: Light jacket, long-sleeved shirt.
Winter (December–February): Average 42–46°F, cold and dry, with low rainfall. Common activities: Indoor activities, onsen (hot spring) bathing. Recommended clothing: Warm jacket, sweater, scarf, hat.
Adachi climatological average
Annual average temperature: approx. 62.6°F / Annual rainfall: approx. 1648 mm / Summer humidity: 70%–80% / Rainiest month: June
Adachi monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
42.6°F
25
February
44.2°F
63.7
March
52°F
148.3
April
61.2°F
143.7
May
66.7°F
186.3
June
73.6°F
253.7
July
82.9°F
156.7
August
83.5°F
206.3
September
78.6°F
217
October
66°F
146.7
November
57.6°F
75.7
December
46.9°F
25.8
Adachi weather for the next seven days
3/20
Friday
Patchy rain nearby
50.2°F/46.6°F
3/21
Saturday
Sunny
57.7°F/41.2°F
3/22
Sunday
Cloudy
59.9°F/47.3°F
3/23
Monday
Partly Cloudy
63.9°F/53.2°F
3/24
Tuesday
Sunny
61.7°F/52.5°F
3/25
Wednesday
Patchy rain nearby
56.8°F/50.4°F
3/26
Thursday
Patchy rain nearby
53.3°F/51.1°F
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