Naha, Okinawa weather in May
Temperature, sea and sunshine in May: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in May
Good
Best time to visit: May – October
What is the weather like in Naha, Okinawa in May?
In May, Naha, Okinawa is warm: daytime highs average 25 °C, and even at night it stays warm at around 23 °C. The sea averages 24.8 °C – pleasant for swimming. Expect around 6 hours of sunshine a day. It rains often – on about 15 days, adding up to 226 mm. The air is often humid and muggy. It is often windy, with gusts of around 28 km/h. All in all, May is a good month for a holiday in Naha, Okinawa.
May compared
How the weather changes from April to June. Tap a month to open it.
More details for May
- Daylight
- 13 h 25 min05:43 – 19:08
- UV index
- 12 · extremeclear sky, noon (estimate)
- Muggy days
- 24 daysdew point 18 °C or more
- Wind
- 28 km/haverage daily peak
- Cloud cover
- 72 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+9Asia/Tokyo
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %45 %
- Few rainy daysweight 20 %24 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in May
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
- Windproof jacket
Naha, Okinawa in May: quick answers
Is Naha, Okinawa hot in May?
Warm rather than hot: in May, daytime highs in Naha, Okinawa average 25 °C and nights cool to about 23 °C.
Can you swim in Naha, Okinawa in May?
Yes. In May the sea averages 24.8 °C – pleasant for swimming.
Does it rain much in Naha, Okinawa in May?
It rains often – on about 15 days, adding up to 226 mm.
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)