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Shimanami Kaido Hiroshima

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Shimanami Kaido Hiroshima Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Shimanami Kaido Hiroshima year round climate

  • Spring (March–May): Average 49–64°F, mild climate but with relatively high rainfall, especially in April and May. Common activities: Cycling along the Shimanami Kaido, island hopping. Recommended clothing: Light jacket, long-sleeved shirt, rain gear.
  • Summer (June–August): Average 72–83°F, hot and humid, with the most rainfall in July. Common activities: Swimming, watersports, island exploration. Recommended clothing: Light and breathable clothing, sun hat, sunglasses.
  • Autumn (September–November): Average 65–79°F, comfortable and pleasant, with sunny weather and less rainfall. Common activities: Cycling, autumn leaves viewing (in some areas), seaside strolls. Recommended clothing: Light jacket or long-sleeved shirt.
  • Winter (December–February): Average 40–43°F, cold and dry, with less rainfall. Common activities: Onsen experience, indoor activities. Recommended clothing: Warm jacket, sweater, scarf, hat.

Shimanami Kaido Hiroshima climatological average

Annual average temperature: approx. 60.8°F / Annual rainfall: approx. 1175 mm / Summer humidity: 70%–80% / Rainiest month: July

Shimanami Kaido Hiroshima monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
40.5°F
22.3
February
41.9°F
55.2
March
49.8°F
106.4
April
59.2°F
137.2
May
64.8°F
161.4
June
72.7°F
167.8
July
81.9°F
177.6
August
83.1°F
107.8
September
79.7°F
82.9
October
65.1°F
77.6
November
55.4°F
59
December
43.5°F
19.8

Shimanami Kaido Hiroshima weather for the next seven days

4/23
Thursday
Heavy rain
55.2°F/49.6°F
4/24
Friday
Partly Cloudy
65.9°F/46.6°F
4/25
Saturday
Sunny
65.4°F/46.6°F
4/26
Sunday
Moderate rain
62.3°F/53.9°F
4/27
Monday
Partly Cloudy
69°F/51.8°F
4/28
Tuesday
Patchy rain nearby
67.3°F/55°F
4/29
Wednesday
Sunny
67°F/52.5°F

Shimanami Kaido Hiroshima Frequently Asked Questions and Useful Information for Travel

When is the best month to visit Shimanami Kaido?

The travel season for Shimanami Kaido is suitable from April to October. The weather during this period is relatively stable, making it perfect for the cycling experience along the bike path connecting the six islands.

How long does it take to cycle Shimanami Kaido?

For experienced cyclists, the entire 70-kilometer route can be completed in about 4 hours. If you want to cycle at a relaxed pace and enjoy the scenery along the way, it is recommended to allocate 10 hours or more. You can also choose to cycle a shorter section of the route.

How to explore Shimanami Kaido?

Shimanami Kaido has dedicated cycling paths, providing a smooth and comfortable riding experience, with rental stations conveniently located for bicycle rentals. It is recommended to set aside 2-3 days for the itinerary to enjoy local specialties and visit tourist attractions along the way. It is suitable not only for cycling enthusiasts but also for family trips and nature lovers.

How many bridges are there on Shimanami Kaido?

Shimanami Kaido connects Imabari City and Onomichi City, spanning the Seto Inland Sea, and consists of 6 islands and 6 bridges. This renowned cycling route has been selected by CNN as one of the '7 Best Cycling Routes in the World'.

What are the recommended activities on Shimanami Kaido?

On Shimanami Kaido, you can fully enjoy the pleasure of cycling and admire the magnificent scenery of the Seto Inland Sea. Each island along the way has its own unique features, such as sampling local seafood, visiting special attractions, and experiencing the unique island culture.