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Shikoku

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Shikoku Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Shikoku year round climate

  • Spring (March–May): Average 54–67°F, mild and rainy, with occasional showers. Common activities: Enjoying Shikoku's natural scenery, such as the cherry blossoms and fresh greenery spread across the mountains. Recommended clothing: Light jacket, long-sleeved shirt, rain gear.
  • Summer (June–August): Average 73–84°F, hot and humid, frequent rainfall. Common activities: Swimming at the beach, enjoying outdoor activities such as hiking. Recommended clothing: Lightweight and breathable short-sleeved clothing, shorts, sunscreen, rain gear.
  • Autumn (September–November): Average 69–59°F, comfortable and pleasant, reduced rainfall. Common activities: Viewing autumn leaves, enjoying autumnal cuisine. Recommended clothing: Light jacket, long-sleeved shirt.
  • Winter (December–February): Average 47–47°F, cold and dry, less rainfall. Common activities: Soaking in hot springs, enjoying winter landscapes. Recommended clothing: Warm jacket, sweater, scarf, hat.

Shikoku climatological average

Annual average temperature: approx. 64.4°F / Annual rainfall: approx. 2464 mm / Summer humidity: 70%–80% / Rainiest month: August

Shikoku monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
45°F
33
February
47.3°F
78.7
March
54.7°F
192.7
April
63.1°F
282
May
67.8°F
336
June
73.9°F
332.7
July
82.2°F
346.7
August
84.2°F
417.3
September
80.8°F
203.3
October
69.3°F
89.7
November
59.7°F
115.7
December
47.1°F
36.2

Shikoku weather for the next seven days

9/22
Tuesday
Sunny
83.4°F/65.6°F
9/23
Wednesday
Sunny
77.9°F/66.8°F
9/24
Thursday
Overcast
78.4°F/69°F
9/25
Friday
Overcast
76.9°F/67°F
9/26
Saturday
Light rain shower
74.1°F/68.9°F
9/27
Sunday
Light rain shower
70.6°F/69.2°F
9/28
Monday
Overcast
75.6°F/69.8°F