Yamaguchi City Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Yamaguchi City year round climate
Spring (March–May): Average 10.6–18.9°C, mild climate but with relatively high rainfall, especially in April. Common activities: Hiking, flower viewing. Recommended clothing: Light jacket, comfortable long-sleeved shirt.
Summer (June–August): Average 23.1–28.8°C, hot and humid with relatively high rainfall, most rainfall in July. Common activities: Swimming at the beach, visiting summer resorts. Recommended clothing: Light and breathable clothing, sun hat.
Autumn (September–November): Average 18.4–25.9°C, comfortable and pleasant climate with gradually decreasing rainfall. Common activities: Mountain hiking, viewing autumn leaves. Recommended clothing: Light jacket or long-sleeved shirt.
Winter (December–February): Average 4.8–6.2°C, cold and dry with low rainfall. Common activities: Hot spring experience, indoor activities. Recommended clothing: Warm coat, sweater, scarf.
Yamaguchi City climatological average
Annual average temperature: approx. 17°C / Annual rainfall: approx. 1974 mm / Summer humidity: 70%–80% / Rainiest month: July
Yamaguchi City monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
4.8°C
54.8
February
6°C
102.3
March
10.6°C
136.3
April
15.7°C
212.4
May
18.9°C
144.4
June
23.1°C
235.5
July
27.6°C
394.4
August
28.8°C
160.6
September
25.9°C
258.5
October
18.4°C
91.1
November
13.2°C
136.4
December
6.2°C
48.1
Yamaguchi City weather for the next seven days
2/12
Thursday
Sunny
11.4°C/0.8°C
2/13
Friday
Sunny
12.9°C/0.6°C
2/14
Saturday
Sunny
13.6°C/3°C
2/15
Sunday
Patchy rain nearby
13.7°C/5.3°C
2/16
Monday
Patchy rain nearby
10.8°C/5.8°C
2/17
Tuesday
Cloudy
10.9°C/4.1°C
2/18
Wednesday
Sunny
12.1°C/2.2°C
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