Okinawa has a warm subtropical climate with warm summers and mild winters.
Okinawa has an average annual temperature of 23.6°C across all 27 cities, with approximately 1673 mm of annual precipitation and average humidity of 80%. Temperatures peak in August and drop to their lowest in February, while rainfall is highest during summer months.
The warmest city is Ishigaki with average July highs of 29.4°C, while Amami is the coldest with average January lows of 15.3°C. Humidity remains high throughout the year creating warm and humid conditions. These seasonal patterns offer comfortable conditions year-round, with warm summers and mild winters.
| Month | 🌤️ | Avg High | Avg Temp | Avg Low | Record High | Record Low | Humid % | Rain (mm) | Wind (m/s) | Solar (kWh/m²) |
|---|---|---|---|---|---|---|---|---|---|---|
| January | ☀️ | 19.3°C | 18.4°C | 17.4°C | 25.4°C | 7.1°C | 75% | 72 | 6.3 | 2.40 |
| February | ☀️ | 19.4°C | 18.4°C | 17.3°C | 25.2°C | 8.1°C | 77% | 71 | 6.1 | 2.90 |
| March | ⛅ | 20.7°C | 19.6°C | 18.5°C | 25.8°C | 9.0°C | 78% | 107 | 5.7 | 3.60 |
| April | ⛅ | 22.6°C | 21.7°C | 20.7°C | 28.3°C | 13.6°C | 81% | 146 | 5.2 | 4.30 |
| May | 🌧️ | 24.9°C | 24.1°C | 23.3°C | 29.6°C | 16.6°C | 84% | 223 | 4.8 | 4.90 |
| June | 🌧️ | 27.2°C | 26.7°C | 26.1°C | 31.0°C | 20.0°C | 88% | 271 | 5.0 | 5.40 |
| July | ⛅ | 29.2°C | 28.7°C | 28.1°C | 31.8°C | 23.7°C | 84% | 136 | 5.0 | 6.40 |
| August | 🌧️ | 29.3°C | 28.8°C | 28.2°C | 32.6°C | 24.2°C | 82% | 185 | 5.2 | 5.90 |
| September | 🌧️ | 28.6°C | 28.0°C | 27.4°C | 31.6°C | 22.0°C | 80% | 169 | 5.2 | 5.10 |
| October | ⛅ | 26.6°C | 25.9°C | 25.2°C | 31.1°C | 17.9°C | 77% | 129 | 6.0 | 4.10 |
| November | ⛅ | 24.0°C | 23.2°C | 22.4°C | 28.9°C | 14.6°C | 76% | 96 | 6.2 | 3.00 |
| December | ☀️ | 21.0°C | 20.1°C | 19.2°C | 27.0°C | 9.3°C | 74% | 68 | 6.4 | 2.40 |
Showing average climate conditions across 45 years (1981–2025) · averaged across all 27 cities in Okinawa
🧥 Light layers are sufficient — this Mild Winter stays cool without prolonged hard freezes.
🌤️ Conditions are ideal for outdoor activities throughout the day in this Mild Summer.
☔ Heavy Rainfall expected — carry rain gear and plan outdoor activities around these months.
Region-wide monthly averages across 27 cities · 1981–2025 · °C
Temperatures rise steadily from spring, peak in August, and gradually decline through autumn into winter.
These seasonal patterns offer comfortable conditions year-round, with warm summers and mild winters.
Region-wide monthly rainfall · 1981–2025 · mm/month
💧 Humidity peaks at 88% in June · annual avg 80%
Monthly averages · 1981–2025
Across 45 years, Okinawa's temperature shows a slight warming trend over the past decade. 2024 was the warmest year overall and 1986 the coolest.
The warmest year on record was 2024 (avg: 24.8°C), while the coldest year was 1986 (avg: 22.8°C).
Averaged across all 27 cities in Okinawa · Last 30 years · °C
Averaged across all 27 cities in Okinawa · Last 30 years · mm/year
🔥 hottest · ❄️ coldest · 🌧️ wettest
ℹ️ Values are averages across all 27 cities in Okinawa for each year.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall (mm) | Avg Humidity | Avg Wind |
|---|---|---|---|---|---|---|---|---|
2025 | 25.0°C | 24.2°C | 23.4°C | 31.1°C | 10.5°C | 1456 | 79% | 5.2 m/s |
2024 🔥 | 25.5°C | 24.8°C | 24.0°C | 32.6°C | 12.6°C | 1800 | 81% | 5.2 m/s |
2023 | 25.0°C | 24.3°C | 23.5°C | 30.8°C | 9.5°C | 1237 | 79% | 5.6 m/s |
2022 | 24.9°C | 24.2°C | 23.4°C | 31.7°C | 12.1°C | 1949 | 81% | 5.5 m/s |
2021 | 24.8°C | 24.1°C | 23.3°C | 30.7°C | 11.2°C | 1495 | 79% | 5.6 m/s |
2020 | 24.9°C | 24.1°C | 23.3°C | 31.3°C | 12.0°C | 1846 | 80% | 5.6 m/s |
2019 | 25.1°C | 24.3°C | 23.5°C | 30.7°C | 13.2°C | 1893 | 80% | 5.7 m/s |
2018 | 24.7°C | 23.9°C | 23.0°C | 30.9°C | 11.3°C | 1622 | 80% | 5.7 m/s |
2017 | 24.9°C | 24.0°C | 23.2°C | 31.9°C | 12.0°C | 1549 | 78% | 5.5 m/s |
2016 | 25.2°C | 24.4°C | 23.6°C | 32.0°C | 7.1°C | 1682 | 80% | 5.5 m/s |
Showing 1 to 10 of 45 years
All weather data is sourced from NASA POWER (Prediction of Worldwide Energy Resources), a NASA project providing solar and meteorological data for renewable energy, building efficiency, and agricultural research.
