Okinawa experiences average temperatures of 15-20 degrees in the winter months from November-December and 25-30 degrees in the other months. The temperature isn’t really changing all year around since the seasons don’t have as many impact as in the rest of Japan. Hi/Low, RealFeel, precip, radar, & everything you need to be ready for the day, commute, and weekend! Up to 90 days of daily highs, lows, and precipitation chances. Since Okinawa is located on a latitude of 36° 00′ Northern degrees, which makes it a sub-tropical location. Get your 3-Day weather forecast for Okinawa-shi, Okinawa, Japan. Know what's coming with AccuWeather's extended daily forecasts for Okinawa-shi, Okinawa, Japan. Okinawa experiences average temperatures of 15-20 degrees in the winter months from November-December and 25-30 degrees in the other months. One-week forecasts for individual prefectures are issued at 11:00 and 17:00 JST every day. Japan erreichen. Therefore, Japan has divided the seasons of Okinawa in warm and cold season. The hottest month is definitely July and August, the temperature rises above the 30 degrees on most of the days. The latest daily forecasts are displayed in the columns for the first and second days. The hottest month is definitely July and August, the temperature rises above the 30 degrees on most of the days. But when you do like sun but want to do some activities such as sightseeing or tracking through the jungle we suggest you visit the island around April-June and September-October. In these months the temperature is perfect for the beach but the days are also perfect for sightseeing. In dieser Zeit ist die Wahrscheinlichkeit recht hoch, dass die ersten Taifune Okinawa bzw. This benefits the weather all year around and provides lots of sun every day. Die Wassertemperaturen schwanken um die 30° C. Gerade wenn es eine längere Taifun und Sturm-arme Phase gibt und das Meer relativ ruhig bleibt, steigen die Wassertemperaturen über die 30° – Marke. The exact dates and temperature measures of the warm and cold season are;If you like sun, warmth and more sun then you should visit in July and August.