Okinawa Weather & Best Months: A Practical Guide

Okinawa Weather & Best Months: A Practical Guide

Okinawa Weather & Best Months: A Practical Guide

If you're planning a trip to Okinawa, it's important to know what to expect in terms of weather. As an expert geographer and meteorologist, I can provide you with a practical guide to the weather conditions in Okinawa throughout the year.

Okinawa, located in the southernmost part of Japan, has a subtropical climate. It experiences warm and humid weather with relatively mild winters and hot, humid summers. The weather is influenced by the monsoon season and the Kuroshio Current.

Best Months to Visit

The best time to visit Okinawa is during the spring and autumn months. The temperatures during these seasons are pleasant, and the humidity is relatively low. The cherry blossoms in spring and the beautiful fall foliage make these months even more appealing for tourists.

Okinawa Weather by Month

Month Season Humidity Temperature (°C) Sunshine (hours) Rainfall (mm)
January Winter 60% 17 6 96
February Winter 60% 17 6 130
March Spring 65% 18 6 127
April Spring 70% 21 7 162
May Spring 75% 24 7 179
June Summer 80% 27 7 209
July Summer 80% 29 6 163
August Summer 80% 30 6 180
September Autumn 80% 28 6 222
October Autumn 75% 26 6 142
November Autumn 70% 23 6 86
December Winter 65% 20 6 72

From January to March, Okinawa experiences mild temperatures ranging from 17°C to 18°C. The humidity starts to increase in spring, reaching around 70% in April and 75% in May. The summer months of June to August bring the highest temperatures, with average highs of 29°C to 30°C. September and October mark the transition to autumn, with temperatures hovering around 28°C to 26°C. November and December bring cooler temperatures of around 23°C to 20°C.

Sunshine hours remain relatively stable throughout the year, with an average of 6 to 7 hours per day. Rainfall is highest in June and September, with around 209mm and 222mm, respectively. The driest months are November and December, with rainfall dropping to 86mm and 72mm, respectively.


When planning your trip to Okinawa, consider visiting in the spring or autumn for pleasant temperatures and lower humidity. Be prepared for some rain, especially in the summer months. Overall, Okinawa offers a favorable climate year-round for outdoor activities and exploring its beautiful beaches and natural landscapes.