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Yamaguchi

Yamaguchi 1
Travel guide
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Travel guide

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Best time to visit Yamaguchi

Data source:Meteostat
Last updated:2025-09

Weather in Yamaguchi throughout the year

  • Spring (March–May): Average 10.6–18.9°C, 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 23.1–28.8°C, 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 18.4–25.9°C, 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 4.8–6.2°C, cold and dry, with low rainfall. Common activities: hot spring trips, indoor activities. Recommended clothing: warm jacket, sweater, scarf, hat.

Weather in Yamaguchi

Annual average temperature: approx. 16.6°C / Annual rainfall: approx. 1974 mm / Summer humidity: 70%–80% / Rainiest month: July

Yamaguchi weather by month

Month
Temperature (°C)
Rainfall (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

7-day weather forecast for Yamaguchi

11/3
Tuesday
Sunny
18°C/7.9°C
11/4
Wednesday
Overcast
17°C/8°C
11/5
Thursday
Overcast
18.1°C/11.1°C
11/6
Friday
Sunny
16.6°C/7.8°C
11/7
Saturday
Sunny
12.8°C/3.8°C
11/8
Sunday
Overcast
14.1°C/4.8°C
11/9
Monday
Patchy rain nearby
13.9°C/9°C