Weather in Okinawa Prefecture, Japan in April

So you're interested in going to Okinawa Prefecture, Japan in April

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

Temperature in Okinawa Prefecture in April

The average maximum temperature in Okinawa Prefecture in April is 23°. The average maximum temperature is 21° in the previous month and 26° in the next month.

The average temperature in Okinawa Prefecture in April is 21°. The average temperature ranges is 18° in the previous month and 24° in the next month.

The average minimum temperature in Okinawa Prefecture in April is 19°. The minimum temperature is 16° in the previous month and 22° in the next month.

Sunshine in Okinawa Prefecture in April

The average day light hours per day in Okinawa Prefecture in April are 12.8 and there are 6.2 hours of sunshine per day on average during April making it a quite sunny month with some cloud cover.

The ultraviolet index in Okinawa Prefecture in April is typically 11.6 during April. 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 Prefecture in April

The average sea water temperature in Okinawa Prefecture in April is 23.3° which is warm and pleasant for relaxing and swimming for long periods.

Rainfall in Okinawa Prefecture in April

The average total rainfall in Okinawa Prefecture in April is 1.3cm and on average there are 13.7 rainy days in April making it a slightly wet time to visit the beach.

Humidity in Okinawa Prefecture in April

The maximum dew point (an indicator of humidity) in Okinawa Prefecture in April is 18° which is OK for most but slightly uncomfortable for some. The dew point is 15° in the previous month and 22° in the next month.

The average maximum relative humidity in Okinawa Prefecture in April is typically 84.3%. The maximum relative humidity is 82% in the previous month and 88.3% in the next month.

The average relative humidity in Okinawa Prefecture in April is typically 72.8%. The average relative humidity is 70.2% in the previous month and 77.4% in the next month.

Wind Speed in Okinawa Prefecture in April

The average maximum wind speed in Okinawa Prefecture in April is typically 26kmh. The average maximum wind speed is 28kmh in the previous month and 25kmh in the next month.

The average wind speed in Okinawa Prefecture in April is typically 18kmh. The average wind speed is 19kmh in the previous month and 17kmh in the next month.

The average wind direction in Okinawa Prefecture in April is from the East-Southeast.

Monthly Averages

Suggested Beaches in April

Book Accomodation Deals