Weather in Okinawa, Okinawa Island, Japan in January

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

January is a slightly cold and very rainy time for sunbathing in Okinawa. January 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 January.

Temperature in Okinawa in January

The average maximum temperature in Okinawa in January is 19°. The average maximum temperature is 21° in the previous month and 20° in the next month.

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

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

Sunshine in Okinawa in January

The average day light hours per day in Okinawa in January are 10.7 and there are 6.2 hours of sunshine per day on average during January making it a quite sunny month with some cloud cover.

The ultraviolet index in Okinawa in January is typically 5.9 during January. An ultraviolet index reading of 6 to 7 indicates a high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 20 minutes. Protection against skin and eye damage is needed. Tanning will be safest before 10am and after 4pm. 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 January

The average sea water temperature in Okinawa in January is 22.8° which is warm and pleasant for relaxing and swimming for long periods.

Rainfall in Okinawa in January

The average total rainfall in Okinawa in January is 9.7cm and on average there are 22 rainy days in January making it a very wet time to visit the beach.

Humidity in Okinawa in January

The maximum dew point (an indicator of humidity) in Okinawa in January is 14° which is comfortable for everyone. The dew point is 15° in the previous month and 16° in the next month.

The average maximum relative humidity in Okinawa in January is typically 90.7%. The maximum relative humidity is 89.2% in the previous month and 92.8% in the next month.

The average relative humidity in Okinawa in January is typically 75.9%. The average relative humidity is 74.4% in the previous month and 79.7% in the next month.

Wind Speed in Okinawa in January

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

The average wind speed in Okinawa in January 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 January is from the North.

Monthly Averages

Suggested Beaches in January

Book Accomodation Deals