Okinawa has a warm subtropical climate with warm summers and mild winters.
Okinawa has an average annual temperature of 23.3°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 January, while rainfall is highest during summer months.
The warmest city is Nakoushi with average July highs of 30.5°C, while Amami is the coldest with average January lows of 11.7°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 | 🌤️ | High | Low | Avg | Humid % | Rain (mm) | Wind (m/s) | Solar (kWh/m²) |
|---|---|---|---|---|---|---|---|---|
| January | ☀️ | 22.7°C | 13.5°C | 18.1°C | 75% | 72 | 6.3 | 2.40 |
| February | ☀️ | 22.7°C | 13.8°C | 18.2°C | 77% | 71 | 6.1 | 2.90 |
| March | ⛅ | 23.4°C | 14.8°C | 19.1°C | 78% | 107 | 5.7 | 3.60 |
| April | ⛅ | 24.8°C | 17.4°C | 21.1°C | 81% | 146 | 5.2 | 4.30 |
| May | 🌧️ | 26.7°C | 20.6°C | 23.7°C | 84% | 223 | 4.8 | 4.90 |
| June | 🌧️ | 28.9°C | 23.5°C | 26.2°C | 88% | 271 | 5.0 | 5.40 |
| July | ⛅ | 30.2°C | 27.0°C | 28.6°C | 84% | 136 | 5.0 | 6.40 |
| August | 🌧️ | 30.4°C | 27.1°C | 28.8°C | 82% | 185 | 5.2 | 5.90 |
| September | 🌧️ | 29.8°C | 25.8°C | 27.8°C | 80% | 169 | 5.2 | 5.10 |
| October | ⛅ | 28.4°C | 22.7°C | 25.5°C | 77% | 129 | 6.0 | 4.10 |
| November | ⛅ | 26.4°C | 19.3°C | 22.8°C | 76% | 96 | 6.2 | 3.00 |
| December | ☀️ | 24.1°C | 15.3°C | 19.7°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.
🌤️ Early mornings and evenings are most comfortable during this Hot Summer season.
☔ 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
Monthly averages · 1981–2025
💧 Humidity peaks at 88% in June · annual avg 80%
The warmest year on record was 2024 (avg: 24.5°C), while the coldest year was 1986 (avg: 22.5°C).
Averaged across all 27 cities in Okinawa · Last 10 years · °C
Averaged across all 27 cities in Okinawa · Last 10 years · mm/year
🔥 hottest · ❄️ coldest · 🌧️ wettest
ℹ️ Values are averages across all 27 cities in Okinawa for each year.
| Year | Min Temp | Avg Temp | Max Temp | Rainfall (mm) | Avg Humidity | Avg Wind |
|---|---|---|---|---|---|---|
2025 | 20.6°C | 23.8°C | 27.0°C | 1456 | 79% | 5.2 m/s |
2024 🔥 | 21.5°C | 24.5°C | 27.4°C | 1800 | 81% | 5.2 m/s |
2023 | 20.8°C | 23.9°C | 27.0°C | 1237 | 79% | 5.6 m/s |
2022 | 20.7°C | 23.9°C | 27.0°C | 1949 | 81% | 5.5 m/s |
2021 | 20.7°C | 23.7°C | 26.7°C | 1495 | 79% | 5.6 m/s |
2020 | 20.4°C | 23.6°C | 26.8°C | 1846 | 80% | 5.6 m/s |
2019 | 21.1°C | 24.1°C | 27.1°C | 1893 | 80% | 5.7 m/s |
2018 | 20.2°C | 23.5°C | 26.7°C | 1622 | 80% | 5.7 m/s |
2017 | 20.4°C | 23.7°C | 26.9°C | 1549 | 78% | 5.5 m/s |
2016 | 20.6°C | 24.0°C | 27.3°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.
