Spring (March–May): Average 51–66°F, mild and comfortable climate, but with relatively high rainfall, especially in April. Common activities: flower viewing, hiking. Recommended clothing: light jacket, long-sleeved shirt, rain gear.
Summer (June–August): Average 73–83°F, hot and humid, with the most rainfall in July. Common activities: beach activities, visits to summer resorts. Recommended clothing: light and breathable clothing, short sleeves, shorts, sun hat.
Autumn (September–November): Average 65–78°F, pleasant climate, with relatively high rainfall in September. Common activities: maple viewing, mountain climbing. Recommended clothing: long-sleeved shirt, light jacket.
Winter (December–February): Average 40–43°F, cold and dry, with low rainfall. Common activities: hot spring trips, indoor activities. Recommended clothing: warm jacket, sweater, scarf, hat.
Yamaguchi climatological average
Annual average temperature: approx. 61.9°F / Annual rainfall: approx. 1974 mm / Summer humidity: 70%–80% / Rainiest month: July
Yamaguchi 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 weather for the next seven days
10/31
Friday
Heavy rain
57°F/53°F
11/1
Saturday
Patchy rain nearby
64.4°F/51.2°F
11/2
Sunday
Sunny
61.6°F/47.3°F
11/3
Monday
Sunny
64.6°F/44.9°F
11/4
Tuesday
Sunny
65.2°F/49.3°F
11/5
Wednesday
Moderate rain
56.6°F/55.1°F
11/6
Thursday
Sunny
67.4°F/53.2°F
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