Naha, 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: May – October
What is the weather like in Naha, Okinawa in April?
In April, Naha, Okinawa is warm: daytime highs average 23 °C, and even at night it stays warm at around 20 °C. The sea averages 22.8 °C – refreshing for a swim. Expect around 6 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 Naha, Okinawa.
April compared
How the weather changes from March to May. Tap a month to open it.
More details for April
- Daylight
- 12 h 45 min06:07 – 18:52
- UV index
- 11 · extremeclear sky, noon (estimate)
- Muggy days
- 13 daysdew point 18 °C or more
- Wind
- 31 km/haverage daily peak
- Cloud cover
- 65 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+9Asia/Tokyo
How the score comes together
- Temperatureweight 35 %60 %
- Seaweight 25 %83 %
- Sunshineweight 20 %45 %
- 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
Naha, Okinawa in April: quick answers
Is Naha, Okinawa hot in April?
Warm rather than hot: in April, daytime highs in Naha, Okinawa average 23 °C and nights cool to about 20 °C.
Can you swim in Naha, Okinawa in April?
Yes. In April the sea averages 22.8 °C – refreshing for a swim.
Does it rain much in Naha, Okinawa in April?
Rain is frequent, with about 12 rainy days and 151 mm in total.
Naha, Okinawa month by month
The whole year in Naha, OkinawaAll destinations: Japan
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)