Hiroshima Prefecture

Hiroshima Prefecture, Japan © By 663highland

Hiroshima Prefecture Sea Temperature

This page provides detailed information about the water temperature in Hiroshima Prefecture, Japan. All countries, cities and resorts on the coast. The range of sea temperatures for today. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Water Temperature in Hiroshima Prefecture: General Trends and Swimming Opportunities

Original name of the region: 広島県

Hiroshima Prefecture, located on the southwestern tip of Honshu, Japan, is known for its scenic coastline along the Seto Inland Sea. The water temperature here is influenced by the relatively calm and warm conditions of the inland sea, making it a popular destination for beachgoers, especially during the summer months. From June to August, the water temperature ranges from around 72°F to 82°F (22°C to 28°C), offering warm and pleasant conditions for swimming and other coastal activities. Beaches such as those on Miyajima Island and other nearby areas become quite popular with tourists during these warmer months.

As autumn approaches, the water temperature in Hiroshima Prefecture begins to cool. By October, the temperature typically falls to around 64°F (18°C), and by December, it can drop to around 50°F (10°C). While these temperatures may not be ideal for swimming, the milder weather still makes the region attractive for nature walks, sightseeing, and observing the rich marine life. The cooler waters combined with the stunning views of the surrounding islands provide a peaceful atmosphere, especially during the off-season. Despite the drop in temperatures, the region maintains its appeal for its natural beauty and cultural heritage.

Geographical Location of Hiroshima Prefecture

Frequently Asked Questions About Hiroshima Prefecture and its Water Temperatures