Okinawa Weather
A month-by-month look at temperature, rainfall and what to pack in Okinawa. The annual average is 25°C high / 20°C low — hottest in July (31°C) and coldest in January (14°C).
Okinawa Weather at a Glance
As of 2026A quick summary of Okinawa's year-round climate and the best time to visit.
- Annual average
- 25° / 20°
- Best time to visit
- October, April, May
- Hottest month
- July (31°C)
- Coldest month
- January (14°C)
- Wettest month
- September (260mm)
- Driest month
- December (105mm)
As of 2026, Okinawa's weather averages 25°C high / 20°C low across the year, and the best time to visit for stable temperatures, rainfall and crowds is October, April, May. The hottest month is July (31°C), the coldest is January (14°C), and the wettest is September (260mm).
Best Time to Visit Okinawa
Okinawa Weather Month by Month
Tap any month for a detailed guide with what to wear, sunrise/sunset and air quality.
| Month | High/Low | Rain | Rainy days | Crowds | |
|---|---|---|---|---|---|
| January | 19° / 14° | 110mm | 11 | Busy | Details → |
| February | 19° / 14° | 120mm | 12 | Busy | Details → |
| March | 21° / 16° | 160mm | 12 | Busy | Details → |
| April | 24° / 18° | 165mm | 11 | Very busy | Details → |
| May | 26° / 21° | 230mm | 13 | Very busy | Details → |
| June | 29° / 24° | 245mm | 13 | Busy | Details → |
| July | 31° / 26° | 140mm | 9 | Very busy | Details → |
| August | 31° / 26° | 240mm | 11 | Very busy | Details → |
| September | 30° / 25° | 260mm | 12 | Busy | Details → |
| October | 28° / 23° | 165mm | 9 | Very busy | Details → |
| November | 25° / 20° | 110mm | 8 | Busy | Details → |
| December | 21° / 16° | 105mm | 10 | Busy | Details → |
What to Wear in Okinawa by Season
Warm subtropical.
Hot subtropical.
Warm subtropical ideal.
Cool subtropical.
Okinawa Weather FAQ
What is the best time to visit Okinawa? +
For weather, October, April, May are the most comfortable months. Highs sit around 28°C with relatively stable rainfall and crowds.
What are the hottest and coldest months in Okinawa? +
The hottest month is July with an average high of 31°C, and the coldest is January with an average low of 14°C. The annual average is 25°C high / 20°C low.
When does it rain most in Okinawa? +
The wettest month is September (260mm over about 12 rainy days) and the driest is December (105mm). Total annual rainfall is roughly 2050mm.
What should I pack for Okinawa? +
Spring (Mar–May) averages 24/18°C — Warm subtropical. Summer (Jun–Aug) averages 30/25°C — Hot subtropical. Autumn (Sep–Nov) averages 28/23°C — Warm subtropical ideal. Winter (Dec–Feb) averages 20/15°C — Cool subtropical.
What is the weather in Okinawa this month (June)? +
June averages 29°C high / 24°C low with 245mm rainfall over about 13 rainy days. Crowds are busy and prices are moderate.
Keep Planning Your Okinawa Trip
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.