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Yamaguchi City

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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 51–66°F, 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 73–83°F, 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 65–78°F, 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 40–43°F, 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. 62.6°F / Annual rainfall: approx. 1974 mm / Summer humidity: 70%–80% / Rainiest month: July

Yamaguchi City monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
40.6°F
54.8
February
42.8°F
102.3
March
51.1°F
136.3
April
60.3°F
212.4
May
66°F
144.4
June
73.6°F
235.5
July
81.7°F
394.4
August
83.8°F
160.6
September
78.6°F
258.5
October
65.1°F
91.1
November
55.8°F
136.4
December
43.2°F
48.1

Yamaguchi City weather for the next seven days

5/27
Wednesday
Heavy rain
68°F/64.8°F
5/28
Thursday
Patchy rain nearby
72.5°F/64.9°F
5/29
Friday
Patchy rain nearby
76.5°F/54.9°F
5/30
Saturday
Sunny
78°F/54.1°F
5/31
Sunday
Sunny
81.8°F/56.4°F
6/1
Monday
Sunny
74.5°F/59°F
6/2
Tuesday
Moderate rain
67.7°F/64.8°F