Okinawa weather in April
Temperature, sea and sunshine in April: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in April
Fair
Best time to visit: June – October
What is the weather like in Okinawa in April?
In April, Okinawa is warm: daytime highs average 22 °C, and nights cool down to about 19 °C. The sea averages 22.6 °C – refreshing for a swim. Expect around 4 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 151 mm in total. It is often windy, with gusts of around 31 km/h. All in all, April is a so-so month for a holiday in Okinawa.
April compared
How the weather changes from March to May. Tap a month to open it.
More details for April
- Daylight
- 12 h 46 min06:06 – 18:52
- UV index
- 11 · extremeclear sky, noon (estimate)All months
- Muggy days
- 12 daysdew point 18 °C or moreAll months
- Wind
- 31 km/haverage daily peakAll months
- Cloud cover
- 65 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC+9Asia/Tokyo
How the score comes together
- Temperatureweight 35 %45 %
- Seaweight 25 %80 %
- Sunshineweight 20 %17 %
- Few rainy daysweight 20 %41 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in April
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Rain jacket or umbrella
- Windproof jacket
Okinawa in April: quick answers
Is Okinawa hot in April?
Warm rather than hot: in April, daytime highs in Okinawa average 22 °C and nights cool to about 19 °C.
Can you swim in Okinawa in April?
Yes. In April the sea averages 22.6 °C – refreshing for a swim.
Does it rain much in Okinawa in April?
Rain is frequent, with about 12 rainy days and 151 mm in total.
Okinawa month by month
The whole year in OkinawaAll destinations: JapanWhere to go in AprilSea temperature in April
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences