Weather in Okinawa, Okinawa Island, Japan in December

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

December is a warm and very rainy time for sunbathing in Okinawa. December 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 December.

Temperature in Okinawa in December

The average maximum temperature in Okinawa in December is 21°. The average maximum temperature is 24° in the previous month and 19° in the next month.

The average temperature in Okinawa in December is 17°. The average temperature ranges is 21° in the previous month and 16° in the next month.

The average minimum temperature in Okinawa in December is 13°. The minimum temperature is 18° in the previous month and 12° in the next month.

Sunshine in Okinawa in December

The average day light hours per day in Okinawa in December are 10.5 and there are 5.2 hours of sunshine per day on average during December making it a sunny month that is overcast at times.

The ultraviolet index in Okinawa in December is typically 5.3 during December. An ultraviolet index reading of 3 to 5 indicates there is a moderate risk of harm from unprotected sun exposure. Keep out of the sun during the strongest hours around midday when unprotected skin risks burning in less than 30 minutes. For the sensitive 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, and after swimming or sweating. Tanning for hours is possible with the right application of sun cream. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Okinawa in December

The average sea water temperature in Okinawa in December is 23.6° which is warm and pleasant for relaxing and swimming for long periods.

Rainfall in Okinawa in December

The average total rainfall in Okinawa in December is 29.1cm and on average there are 21.5 rainy days in December making it a very wet time to visit the beach.

Humidity in Okinawa in December

The maximum dew point (an indicator of humidity) in Okinawa in December is 15° which is comfortable for everyone. The dew point is 19° in the previous month and 14° in the next month.

The average maximum relative humidity in Okinawa in December is typically 89.2%. The maximum relative humidity is 91.1% in the previous month and 90.7% in the next month.

The average relative humidity in Okinawa in December is typically 74.4%. The average relative humidity is 77.7% in the previous month and 75.9% in the next month.

Wind Speed in Okinawa in December

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

The average wind speed in Okinawa in December is typically 16kmh. The average wind speed is 16kmh in the previous month and 16kmh in the next month.

The average wind direction in Okinawa in December is from the North.

Monthly Averages

Suggested Beaches in December

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