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Kumamoto Prefecture
Kumamoto Prefecture, Japan © By Saigen Jiro
Kumamoto Prefecture Sea Temperature
This page provides detailed information about the water temperature in Kumamoto 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.
Current Sea Temperature
14.0°C
minimal
14.0°C
average
14.0°C
maximum
Graph of Sea Temperature Changes in Kumamoto Prefecture Over the Last 60 Days
Water temperature in the Kumamoto Prefecture by month
| Month | Minimum | Maximum |
|---|---|---|
| January | 15°C | 19°C |
| February | 14°C | 17°C |
| March | 14°C | 18°C |
| April | 15°C | 19°C |
| May | 16°C | 23°C |
| June | 19°C | 26°C |
| July | 22°C | 28°C |
| August | 25°C | 30°C |
| September | 24°C | 30°C |
| October | 22°C | 28°C |
| November | 19°C | 25°C |
| December | 15°C | 22°C |
The Warmest Places on the Seaside in Kumamoto Prefecture Today
List of All Coastal Cities in Kumamoto Prefecture
Seas and Oceans that Border Kumamoto Prefecture
Kumamoto Prefecture, Japan © By ja:User:Sanjo
Japan: List of Regions
- Aichi Prefecture
- Akita Prefecture
- Aomori Prefecture
- Chiba Prefecture
- Ehime Prefecture
- Fukui Prefecture
- Fukuoka Prefecture
- Hiroshima Prefecture
- Hokkaido
- Hyōgo Prefecture
- Ibaraki Prefecture
- Ishikawa Prefecture
- Iwate Prefecture
- Kagawa Prefecture
- Kagoshima Prefecture
- Kanagawa Prefecture
- Kōchi Prefecture
- Kumamoto Prefecture
- Kyoto Prefecture
- Mie Prefecture
- Miyagi Prefecture
- Miyazaki Prefecture
- Nagasaki Prefecture
- Niigata Prefecture
- Ōita Prefecture
- Okayama Prefecture
- Okinawa Prefecture
- Osaka Prefecture
- Saga Prefecture
- Shizuoka Prefecture
- Tokushima Prefecture
- Tokyo Metropolis
- Tottori Prefecture
- Toyama Prefecture
- Wakayama Prefecture
- Yamaguchi Prefecture
Water Temperature in Kumamoto Prefecture: General Trends and Swimming Opportunities
Original name of the region: 熊本県
Kumamoto Prefecture, located on the western coast of Kyushu in Japan, has a coastline along both the East China Sea and the Ariake Sea. The waters here experience significant seasonal temperature changes, making the region a popular spot for various water activities, especially during the warmer months. In the summer, from June to August, the seawater temperature along Kumamoto’s coast ranges from 77°F to 84°F (25°C to 29°C). These warm conditions make it ideal for swimming, beach activities, and water sports, especially in areas like Amakusa, which is known for its beautiful beaches and rich marine life.
As autumn arrives, the sea temperature gradually cools. During September and October, the water temperature ranges from 70°F to 77°F (21°C to 25°C), making it still comfortable for outdoor activities like fishing and sightseeing along the coast. However, as the season progresses into November, the temperature drops to around 59°F to 64°F (15°C to 18°C), which is too cold for most people to swim but still suitable for coastal walks and enjoying the natural surroundings.
In the winter months, the seawater temperature in Kumamoto Prefecture drops to between 50°F and 59°F (10°C to 15°C). These cold temperatures make swimming and other water-based activities less appealing, but the region’s peaceful and less crowded coastal areas offer a great environment for relaxation, nature exploration, and photography. Despite the cooler waters, Kumamoto’s coastline remains a serene place to visit, especially for those interested in experiencing the quiet beauty of Japan's southern coast during the winter season.
Geographical Location of Kumamoto Prefecture
Frequently Asked Questions About Kumamoto Prefecture and its Water Temperatures
What is the current sea temperature on the coast of Kumamoto Prefecture in Japan?
The sea temperature today on the coast of Kumamoto Prefecture ranges from 57°F (14.0°C) in Amakusa to 57°F (14.0°C) in Amakusa.
When does the sea in Kumamoto Prefecture in Japan reach a comfortable swimming temperature?
In Kumamoto Prefecture (Japan) the sea temperature can reach 70°F (21°C) in May, June, July, August, September, October, and November. It should be noted that the mentioned values apply to the warmest point of the region. In other areas of Kumamoto Prefecture, the values may vary.
What are the most popular seaside resorts in Kumamoto Prefecture?
The most popular place on the coast of Kumamoto Prefecture (Japan), based on our visitors' interest in the water temperature, is city of Amakusa.
Which seas and oceans does the Kumamoto Prefecture have access to?
Kumamoto Prefecture (Japan) has access only to the East China Sea.