Weather in Okinawa, Okinawa Island, Japan in May

So you're interested in going to Okinawa, Okinawa Island, Japan in May

May is a hot and very rainy time for sunbathing in Okinawa. May is a good month for swimming in Okinawa with warm sea temperatures. Consider visiting Okinawa in the months of June, July, September, October, for the best beach weather. Also consider one of our other suggestions for May.

Temperature in Okinawa in May

The average maximum temperature in Okinawa in May is 26°. The average maximum temperature is 23° in the previous month and 29° in the next month.

The average temperature in Okinawa in May is 23°. The average temperature ranges is 20° in the previous month and 27° in the next month.

The average minimum temperature in Okinawa in May is 20°. The minimum temperature is 17° in the previous month and 24° in the next month.

Sunshine in Okinawa in May

The average day light hours per day in Okinawa in May are 13.4 and there are 8.5 hours of sunshine per day on average during May making it a sunny month with few clouds.

The ultraviolet index in Okinawa in May is typically 12.4 during May. An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Okinawa in May

The average sea water temperature in Okinawa in May is 23.1° which is warm and pleasant for relaxing and swimming for long periods.

Rainfall in Okinawa in May

The average total rainfall in Okinawa in May is 32.7cm and on average there are 21.9 rainy days in May making it a very wet time to visit the beach.

Humidity in Okinawa in May

The maximum dew point (an indicator of humidity) in Okinawa in May is 23° which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan. The dew point is 19° in the previous month and 26° in the next month.

The average maximum relative humidity in Okinawa in May is typically 96.4%. The maximum relative humidity is 92.6% in the previous month and 96.6% in the next month.

The average relative humidity in Okinawa in May is typically 86.2%. The average relative humidity is 79.5% in the previous month and 88.5% in the next month.

Wind Speed in Okinawa in May

The average maximum wind speed in Okinawa in May is typically 28kmh. The average maximum wind speed is 27kmh in the previous month and 30kmh in the next month.

The average wind speed in Okinawa in May is typically 15kmh. The average wind speed is 15kmh in the previous month and 17kmh in the next month.

The average wind direction in Okinawa in May is from the East.

Monthly Averages

Suggested Beaches in May

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