Climate in Okinawa — Annual Weather Overview
Okinawa has a subtropical climate — hot summers, mild winters, rainfall spread throughout the year. The hottest month is July (average high 30.1°C) and the coolest is January (19.4°C). There is a noticeable seasonal temperature shift of 10.7°C between July and January. Annual rainfall totals around 2277mm. May is the wettest month at 369.3mm, while April averages just 87.9mm. Average daily sunshine is 8.6 hours.
**Spring (March, April, May):** average highs 23.6°C, 610mm rain. **Summer (June, July, August):** average highs 29.5°C, 847mm rain. **Autumn (September, October, November):** average highs 27.3°C, 398mm rain. **Winter (December, January, February):** average highs 20.1°C, 422mm rain.
Okinawa — Monthly Temperatures
Okinawa — Monthly Rainfall
✅ Best months to visit
All year
ℹ️ No months to avoid
Weather in Okinawa stays reasonable all year.
Okinawa weather by month
| Month | High | Low | Rain | Sun/day | Rainy days | Rating |
|---|---|---|---|---|---|---|
| January | 19.4°C | 15.8°C | 95.8mm | 6.9h | 10 | 10/10 |
| February | 20.1°C | 16.2°C | 116.6mm | 7.6h | 10 | 9/10 |
| March | 21.9°C | 17.8°C | 152.4mm | 8.1h | 15 | 9/10 |
| April | 23.2°C | 19.4°C | 87.9mm | 9.0h | 12 | 10/10 |
| May | 25.8°C | 22.4°C | 369.3mm | 8.0h | 18 | 8/10 |
| June | 28.4°C | 25.4°C | 346.9mm | 8.7h | 23 | 8/10 |
| July | 30.1°C | 26.9°C | 187.5mm | 11.0h | 22 | 9/10 |
| August | 30.1°C | 26.7°C | 312.3mm | 10.7h | 22 | 8/10 |
| September | 29.7°C | 26.0°C | 163.6mm | 10.3h | 22 | 9/10 |
| October | 27.5°C | 23.8°C | 127.9mm | 9.7h | 12 | 9/10 |
| November | 24.6°C | 20.9°C | 107.0mm | 7.8h | 11 | 9/10 |
| December | 20.8°C | 17.4°C | 209.7mm | 5.6h | 13 | 8/10 |
For the full verdict on when to go, see the best time to visit Okinawa. Seasonal breakdowns: spring, summer, autumn and winter.
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Frequently Asked Questions
What type of climate does Okinawa have?
Okinawa has a subtropical climate — hot summers, mild winters, rainfall spread throughout the year. Average highs range from 19.4°C in January to 30.1°C in July.
What is the hottest month in Okinawa?
July is the hottest month in Okinawa, with average highs of 30.1°C and lows of 26.9°C.
What is the coldest month in Okinawa?
January is the coolest month, with average highs of 19.4°C and lows of 15.8°C.
What is the wettest month in Okinawa?
May is the wettest month, averaging 369.3mm of rainfall over around 18 rainy days.
How much rain does Okinawa get per year?
Okinawa receives around 2277mm of rain per year. The driest month is April (87.9mm).
When is the best time to visit Okinawa?
The best time to visit Okinawa is All year. See the full month-by-month guide →
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Trip essentials for Okinawa
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.