Annual average weather for Whitsunday Islands, Australia

Annual Temperature for Whitsunday Islands

The hottest month in Whitsunday Islands is December when the average maximum temperature is 29°, average temperature is 27° and average minimum temperature is 24°.

The coolest month in Whitsunday Islands is July when the average maximum temperature is 21°, average temperature is 19° and average minimum temperature is 18°.

Annual Sunshine for Whitsunday Islands

The longest days in Whitsunday Islands are in December, with an average of 13.4 hours of daylight per day. June has the shortest days with an average of 10.9 hours of daylight per day.

The sunniest days in Whitsunday Islands are in January which has the most hours of sunshine per day with an average of 6 hours of sunshine per day, making it a sunny month that is overcast at times. May has the least sunshine with an average of 3.9 hours of sunshine per day, making it not a particularly sunny month.

The ultraviolet index is the highest in January when it reaches 15.7 and lowest in June when it reaches 6.3.

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.

Annual Sea Temperature for Whitsunday Islands

The warmest sea water temperatures in Whitsunday Islands are found in February when they peak at 28° and lowest in August when they dip to 22°.

The sea is best for swimming between November and May when the temperature is above 25° which is warm and pleasant for relaxing and swimming for long periods.

Annual Rainfall for Whitsunday Islands

The wettest month in Whitsunday Islands is February with 224.1cm of rain and the most days of rain with 16 days with some rain, a very wet time to visit the beach.

The driest month in Whitsunday Islands is October with 15.9cm of rain and the least days of rain with 4.1 days with some rain, a dry time to visit the beach.

Annual Humidity for Whitsunday Islands

The most humid month in Whitsunday Islands is February with a dew point (an indicator of humidity) of 24° which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning.

The least humid month in Whitsunday Islands is July with a dew point of 17° which is OK for most but slightly uncomfortable for some.

Annual Wind Speed for Whitsunday Islands

The most windy month in Whitsunday Islands is March when the average maximum windspeed is 46kmh and the average wind speed is 33kmh.

The least windy month in Whitsunday Islands is August when the average maximum windspeed is 34kmh and the average wind speed is 23kmh.

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