Spring (March–May): Average 39–60°F, mild climate, but still chilly in early spring, gradually warming, moderate rainfall. Common activities: Spring outings, flower viewing. Recommended clothing: Spring jacket, comfortable trousers, warm inner layers.
Summer (June–August): Average 68–78°F, hot and rainy, high humidity. Common activities: Summer resort visits, stream activities. Recommended clothing: Breathable clothing, light shorts, rain gear.
Autumn (September–November): Average 56–71°F, comfortable and pleasant climate, reduced rainfall, crisp autumn weather. Common activities: Viewing red leaves, mountain hiking. Recommended clothing: Light jacket, long-sleeved shirts, comfortable trousers.
Winter (December–February): Average -33–39°F, cold and dry, occasional snowfall. Common activities: Skiing, hot spring experience. Recommended clothing: Warm jacket, thick sweater, scarf, gloves, hat.
Aoyama climatological average
Annual average temperature: approx. 53.6°F / Annual rainfall: approx. 1443 mm / Summer humidity: 70%–80% / Rainiest month: August
Aoyama monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
30.2°F
41
February
31.8°F
44
March
39.9°F
108.3
April
52.7°F
84.7
May
60.1°F
85.7
June
68.4°F
122.7
July
76.3°F
273
August
78.6°F
305.3
September
71.1°F
156.3
October
56.5°F
71.3
November
45.9°F
76.7
December
33.8°F
74.3
Aoyama weather for the next seven days
4/2
Thursday
Heavy rain
40.5°F/32.7°F
4/3
Friday
Patchy rain nearby
50.8°F/27.5°F
4/4
Saturday
Moderate rain
55.9°F/33.9°F
4/5
Sunday
Moderate rain
54.7°F/43.6°F
4/6
Monday
Partly Cloudy
62.1°F/38°F
4/7
Tuesday
Patchy rain nearby
57.7°F/39.5°F
4/8
Wednesday
Partly Cloudy
49.7°F/34.6°F
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