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Shimonoseki

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Shimonoseki Weather and climate

Data source:Meteostat
Update date:2025-09

Shimonoseki year round climate
  • Spring (March–May): Average 11.8–19.0°C, mild climate but with relatively high rainfall, especially in April. Common activities: Flower viewing, hiking, visiting historical sites. Recommended clothing: Light jacket, long-sleeved shirt, umbrella.
  • Summer (June–August): Average 23.0–28.9°C, hot and humid, with the most rainfall in July. Be mindful of sun protection and heatstroke prevention. Common activities: Swimming at the beach, enjoying local cuisine. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
  • Autumn (September–November): Average 15.5–26.5°C, comfortable and pleasant climate, with gradually decreasing rainfall. Common activities: Mountain hiking, viewing autumn leaves (in some areas). Recommended clothing: Long-sleeved shirt, light jacket. There is a large temperature difference between day and night, so pay attention to keeping warm.
  • Winter (December–February): Average 7.4–9.1°C, cold and dry, with less rainfall. Common activities: Hot spring bathing, enjoying local winter-limited cuisine. Recommended clothing: Warm coat, scarf, gloves.
Shimonoseki climatological average

Annual average temperature: approx. 17.7°C / Annual rainfall: approx. 1869 mm / Summer humidity: 70%–80% / Rainiest month: July

Shimonoseki monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
7.4°C
73.5
February
7.8°C
98.6
March
11.8°C
121.8
April
15.9°C
165.2
May
19°C
134.3
June
23°C
213.6
July
27.7°C
438.4
August
28.9°C
149.8
September
26.5°C
202.5
October
20.1°C
89.2
November
15.5°C
129.7
December
9.1°C
52.8
Shimonoseki weather for the next seven days
11/17
Monday
Partly Cloudy
19.1°C/11.6°C
11/18
Tuesday
Patchy rain nearby
10.9°C/9.2°C
11/19
Wednesday
Patchy rain nearby
11.6°C/7.6°C
11/20
Thursday
Patchy rain nearby
14.9°C/8.9°C
11/21
Friday
Patchy rain nearby
16.4°C/11.9°C
11/22
Saturday
Sunny
15.6°C/10.3°C
11/23
Sunday
Sunny
16.1°C/9.2°C