Spring (March–May): Average 4.4–15.6°C, 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 20.2–25.9°C, hot and rainy, high humidity. Common activities: Summer resort visits, stream activities. Recommended clothing: Breathable clothing, light shorts, rain gear.
Autumn (September–November): Average 13.6–21.7°C, 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 -1.0–4.4°C, 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. 12°C / Annual rainfall: approx. 1443 mm / Summer humidity: 70%–80% / Rainiest month: August
Aoyama monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
-1°C
41
February
-0.1°C
44
March
4.4°C
108.3
April
11.5°C
84.7
May
15.6°C
85.7
June
20.2°C
122.7
July
24.6°C
273
August
25.9°C
305.3
September
21.7°C
156.3
October
13.6°C
71.3
November
7.7°C
76.7
December
1°C
74.3
Aoyama weather for the next seven days
4/2
Thursday
Heavy rain
4.7°C/0.4°C
4/3
Friday
Patchy rain nearby
10.5°C/-2.5°C
4/4
Saturday
Moderate rain
13.3°C/1°C
4/5
Sunday
Moderate rain
12.6°C/6.4°C
4/6
Monday
Partly Cloudy
16.7°C/3.3°C
4/7
Tuesday
Patchy rain nearby
14.3°C/4.2°C
4/8
Wednesday
Partly Cloudy
9.8°C/1.4°C
KKday App
Your Best Travel Buddy
Use the code APP5OFF to enjoy an exclusive in-app deal of 5% off (cap at USD$3) on your 1st orderScan here to download the app