Okinawa’s beautiful beaches attract countless tourists throughout the year. When it comes to enjoying swimming and marine sports, water temperature is a crucial factor. In this article, we’ll dive into the monthly average water temperatures in Okinawa and discuss how it feels during each season.
Monthly Average Water Temperatures in Okinawa
Here are the monthly average water temperatures in Okinawa, based on data from the Japan Meteorological Agency:
- January: 21°C (70°F)
- February: 21°C (70°F)
- March: 22°C (72°F)
- April: 23°C (73°F)
- May: 25°C (77°F)
- June: 27°C (81°F)
- July: 29°C (84°F)
- August: 29°C (84°F)
- September: 28°C (82°F)
- October: 27°C (81°F)
- November: 25°C (77°F)
- December: 23°C (73°F)
Throughout the year, Okinawa’s ocean maintains relatively high water temperatures, staying above 20°C (68°F) even during winter.
Water Temperature and How It Feels by Season
Spring (March to May)
During spring, the water temperature gradually rises. By May, it reaches around 25°C (77°F), which is suitable for swimming. However, since the air temperature is still relatively low, prolonged swimming might cause you to feel chilly.
Summer (June to August)
Summer is the peak of Okinawa’s swimming season. With water temperatures ranging from 27°C to 29°C (81°F to 84°F), you can enjoy the ocean for extended periods without feeling cold. Just remember to protect yourself from the strong sunlight.
Autumn (September to November)
In autumn, the scorching summer heat subsides, and the water temperature begins to drop slightly. From September to October, the water remains around 27°C (81°F), making it an ideal time for swimming. By November, the temperature falls to around 25°C (77°F).
Winter (December to February)
Winter is when Okinawa’s ocean water is at its coldest, but it still maintains a relatively high temperature of 21°C to 23°C (70°F to 73°F). With a wetsuit, you can enjoy diving and surfing even during winter. However, be mindful of the cold air temperature, which can make you feel chilly.
Conclusion
Okinawa’s ocean remains warm throughout the year, with water temperatures staying above 20°C (68°F) even in winter. In summer, the water temperature rises to 29°C (84°F), allowing you to fully enjoy swimming. Spring and autumn offer a perfect balance between air and water temperatures, making them ideal for marine sports.
To fully enjoy Okinawa’s beautiful beaches, pay attention not only to the water temperature but also to the air temperature and sunlight intensity. Take care of your health and have a wonderful time exploring Okinawa’s stunning ocean.
