Weather in Okinawa Prefecture, Japan in May

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Visiting Okinawa Prefecture, Japan in May

May has average maximum temperatures of 26°C (80°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 54% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.3 hours of sunshine per day. May has total rainfall of 2.7cm (1.1inches) making it mostly dry but with short lived occasional showers. There are only 14.3 days with some rainfall so you can still enjoy the beach on the majority of days. It is a good time for sunbathing in Okinawa Prefecture. Sea temperatures are a warm 24°C (76°F). May is a good month for swimming in Okinawa Prefecture with comfortable temperatures for most people.

Consider visiting Okinawa Prefecture in the months of July, August, September, October, for the best beach weather.

Also consider one of our other suggestions for May.

Can you sunbathe in Okinawa Prefecture in May?

Yes, May is a good time for sunbathing in Okinawa Prefecture.

May has average maximum temperatures of 26°C (80°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 54% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.3 hours of sunshine per day. May has total rainfall of 2.7cm (1.1inches) making it mostly dry but with short lived occasional showers. There are only 14.3 days with some rainfall so you can still enjoy the beach on the majority of days.

More about May temperature and sunshine.

Can you swim in Okinawa Prefecture in May?

Yes, May is a good month for swimming in Okinawa Prefecture with warm sea temperatures 24°C (76°F).

More about May sea temperatures.

Is May a good time to holiday in Okinawa Prefecture?

Yes, May is a good time for a holiday in Okinawa Prefecture.

May has average maximum temperatures of 26°C (80°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 54% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.3 hours of sunshine per day. May has total rainfall of 2.7cm (1.1inches) making it mostly dry but with short lived occasional showers. There are only 14.3 days with some rainfall so you can still enjoy the beach on the majority of days. It is a good time for sunbathing in Okinawa Prefecture. Sea temperatures are a warm 24°C (76°F). May is a good month for swimming in Okinawa Prefecture with comfortable temperatures for most people.

More about the May temperatures and sunshine.

Is Okinawa Prefecture warm in May?

Yes, Okinawa Prefecture is very warm and perfect for sunbathing on clear days in May.

The average maximum temperature in Okinawa Prefecture in May is 26°C (80°F). The average maximum temperature is 23°C (74°) in the previous month and 29°C (84°F) in the next month.

The average temperature in Okinawa Prefecture in May is 24°C (75°F). The average temperature is 21°C (69°F) in the previous month and 27°C (80°F) in the next month.

More info about the May temperatures and sunshine.

How sunny is Okinawa Prefecture in May?

The average day light hours per day in Okinawa Prefecture in May are 13.4. The sunshine percentage is 54% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.3 hours of sunshine per day.

More about May sunshine.

Temperature in Okinawa Prefecture in May

The average maximum temperature in Okinawa Prefecture in May is 26°C (80°F). The average maximum temperature is 23°C (74°F) in the previous month and 29°C (84°F) in the next month.

The average temperature in Okinawa Prefecture in May is 24°C (75°F). The average temperature is 21°C (69°F) in the previous month and 27°C (80°F) in the next month.

The average minimum temperature in Okinawa Prefecture in May is 22°C (72°F). The minimum temperature is 19°C (66°F) in the previous month and 25°C (77°F) in the next month.

Sunshine in Okinawa Prefecture in May

During May the average day light hours are 13.4 per day in Okinawa Prefecture. The sunshine percentage is 54% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 7.3 hours of sunshine per day.

The ultraviolet index in Okinawa Prefecture in May is typically 12.2 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 Prefecture in May

The average sea water temperature in Okinawa Prefecture in May is 24.2°C (75.6°F) which is warm and pleasant for relaxing and swimming for long periods.

Rainfall in Okinawa Prefecture in May

The average total rainfall in Okinawa Prefecture in May is 2.7cm (1.1inches) and on average there are 14.3 rainy days in May making it a pretty wet time to visit the beach.

Humidity in Okinawa Prefecture in May

The maximum dew point (an indicator of humidity) in Okinawa Prefecture in May is 22°C (71°F) 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 18°C (64°F) in the previous month and 25°C (25°F) in the next month.

The average maximum relative humidity in Okinawa Prefecture in May is typically 88.3%. The maximum relative humidity is 84.3% in the previous month and 90.4% in the next month.

The average relative humidity in Okinawa Prefecture in May is typically 77.4%. The average relative humidity is 72.8% in the previous month and 81% in the next month.

Wind Speed in Okinawa Prefecture in May

The average maximum wind speed in Okinawa Prefecture in May is typically 25KM/H (15MPH). The average maximum wind speed is 26KM/H (16MPH) in the previous month and 26KM/H (16MPH) in the next month.

The average wind speed in Okinawa Prefecture in May is typically 17KM/H (10MPH). The average wind speed is 18KM/H (11MPH) in the previous month and 18KM/H (11MPH) in the next month.

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

Monthly Averages

Suggested Beaches in May

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Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.

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Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.