Weather in Okinawa Prefecture, Japan in December

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

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

Temperature in Okinawa Prefecture in December

The average maximum temperature in Okinawa Prefecture in December is 21°. The average maximum temperature is 25° in the previous month and 20° in the next month.

The average temperature in Okinawa Prefecture in December is 19°. The average temperature ranges is 23° in the previous month and 18° in the next month.

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

Sunshine in Okinawa Prefecture in December

The average day light hours per day in Okinawa Prefecture in December are 10.6 and there are 4.6 hours of sunshine per day on average during December making it a sunny month that is overcast at times.

The ultraviolet index in Okinawa Prefecture in December is typically 5.7 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 Prefecture in December

The average sea water temperature in Okinawa Prefecture in December is 24.4° which is warm and pleasant for relaxing and swimming for long periods.

Rainfall in Okinawa Prefecture in December

The average total rainfall in Okinawa Prefecture in December is 3.6cm and on average there are 18.1 rainy days in December making it a wet time to visit the beach.

Humidity in Okinawa Prefecture in December

The maximum dew point (an indicator of humidity) in Okinawa Prefecture 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 Prefecture in December is typically 79.6%. The maximum relative humidity is 82.3% in the previous month and 82.2% in the next month.

The average relative humidity in Okinawa Prefecture in December is typically 67.8%. The average relative humidity is 71.7% in the previous month and 70.9% in the next month.

Wind Speed in Okinawa Prefecture in December

The average maximum wind speed in Okinawa Prefecture in December is typically 29kmh. The average maximum wind speed is 28kmh in the previous month and 29kmh in the next month.

The average wind speed in Okinawa Prefecture in December is typically 21kmh. The average wind speed is 20kmh in the previous month and 20kmh in the next month.

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

Monthly Averages

Suggested Beaches in December

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