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
11/17
Monday
Sunny
63.8°F/46.7°F
11/18
Tuesday
Sunny
50.1°F/44°F
11/19
Wednesday
Patchy rain nearby
52.9°F/46.3°F
11/20
Thursday
Patchy rain nearby
56.6°F/43.8°F
11/21
Friday
Sunny
60.2°F/43.5°F
11/22
Saturday
Sunny
58°F/41.5°F
11/23
Sunday
Sunny
59.3°F/43.7°F
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