Annual average weather for Green Island, Great Barrier Reef, Australia

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Annual Average Weather for Green Island, Great Barrier Reef, Australia

The annual average maximum daily temperature is 28.8°C (83.9°F) which is very warm and perfect for sunbathing on clear days. The annual average water temperature is typically 27.0°C (80.6°F) which is very warm and ideal for relaxing and swimming for the whole day. Annually there are on average 16.2 days of rain per month and 5.5 hours of sun per day.

When is the best time to visit Green Island?

The best months to visit Green Island are July, August, September, October, for the best beach weather, the most sunshine and optimal sunbathing and swimming conditions with the least chance of rain.

The weather is perfect for sunbathing in the months from August to June when the maximum temperature reaches above 26°C (72°F)

The sea is best for swimming between November and May when the sea temperature is above the average 27°C (81°F) which is very warm and ideal for relaxing and swimming for the whole day.

Can you sunbathe in Green Island year round?

Yes, you can sunbathe in Green Island all year round.

The weather is best for sunbathing in the months from August to June when the maximum temperature reaches above 26°C (72°F)

More info about the annual temperatures and sunshine.

Can you swim in Green Island year round?

Yes, you can swim in Green Island all year round.

The warmest sea water temperatures in Green Island are found in February when they peak at 29°C (85°F) and lowest in August when they dip to 25°C (77°F).

The sea temperature is above average for swimming between November and May when the sea temperature is above 27°C (81°F) which is very warm and ideal for relaxing and swimming for the whole day.

More info about the annual sea temperatures

When is the hottest month in Green Island?

The hottest month in Green Island is December when the average maximum temperature is very hot and perfect for sunbathing on clear days 31°C (89°F), average temperature is 28°C (82°F) and average minimum temperature is 24°C (75°F).

More info about the annual temperatures and sunshine.

When is the coldest month in Green Island?

The coolest month in Green Island is August when the average maximum temperature is 27°C (80°F), average temperature is 22°C (71°F) and average minimum temperature is 17°C (63°F).

More info about the annual temperatures and sunshine

When is the sunniest month in Green Island?

The sunniest days in Green Island are in December which has the most hours of sunshine per day. In December the sunshine percentage is 48% making it quite sunny but with regular periods of cloudy and overcast skies. There are 6.3 hours of sunshine per day.

More info about the annual sunshine.

When is the least sunny month in Green Island?

May has the least sunshine. In May the sunshine percentage is 39% making it very cloudy and overcast with some periods of sunshine. There are 4.4 hours of sunshine per day.

More info about the annual sunshine.

When is the driest month in Green Island?

The driest month in Green Island is August with 2.8cm (1.1inches) of rain and the least days of rain with 8.7 days with some rain, a quite rainy time to visit the beach.

More info about the annual rainfall

When is the wettest month in Green Island?

The wettest month in Green Island is April with 45.5cm (17.9inches) of rain and March has the most days of rain with 22.4 days with some rain, a very wet time to visit the beach.

More info about the annual rainfall.

When is the sea the coldest in Green Island?

The coldest sea water temperatures in Green Island are found in August when they dip to 25°C (77°F) which is warm and pleasant for relaxing and swimming for long periods.

More info about the annual sea temperatures.

When is the sea the warmest in Green Island?

The warmest sea water temperatures in Green Island are found in February when they peak at 29°C (85°F) which is very warm and ideal for relaxing and swimming for the whole day.

More info about the annual sea temperatures.

When is the most humid month in Green Island?

The most humid month in Green Island is February with a dew point (an indicator of humidity) of 25°C (77°F) which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning.

More info about the annual humidity.

When is the least humid month in Green Island?

The least humid month in Green Island is August with a dew point of 17°C (63°F) which is OK for most but slightly uncomfortable for some.

More info about the annual humidity.

When is the windiest month in Green Island?

The most windy month in Green Island is April when the average maximum windspeed is 30KM/H (18MPH) and the average wind speed is 17KM/H (11MPH).

More info about the annual wind conditions.

Annual Temperature for Green Island

The hottest month in Green Island is December when the average maximum temperature is 31°C (89°F), average temperature is 28°C (82°F) and average minimum temperature is 24°C (75°F).

The coolest month in Green Island is August when the average maximum temperature is 27°C (27°F), average temperature is 22°C (71°F) and average minimum temperature is 17°C (63°F).

Annual Sunshine for Green Island

The longest days in Green Island are in December, with an average of 13.1 hours of daylight per day. June has the shortest days with an average of 11.1 hours of daylight per day.

The sunniest days in Green Island are in December which has the most hours of sunshine per day. The sunshine percentage is 48% making it quite sunny but with regular periods of cloudy and overcast skies. There are 6.3 hours of sunshine per day.

May has the least sunshine. The sunshine percentage is 39% making it very cloudy and overcast with some periods of sunshine. There are 4.4 hours of sunshine per day.

The ultraviolet index is the highest in February when it reaches 16 and lowest in June when it reaches 7.4.

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 Green Island

The warmest sea water temperatures in Green Island are found in February when they peak at 29°C (85°F) and lowest in August when they dip to 25°C (77°F).

The sea is best for swimming between November and May when the temperature is above 27°C (81°F) which is very warm and ideal for relaxing and swimming for the whole day.

Annual Rainfall for Green Island

The wettest month in Green Island is April with 45.5cm (17.9inches) of rain and March has the most days of rain with 22.4 days with some rain, a very wet time to visit the beach.

The driest month in Green Island is August with 2.8cm (1.1inches) of rain and the least days of rain with 8.7 days with some rain, a quite rainy time to visit the beach.

Annual Humidity for Green Island

The most humid month in Green Island is February with a dew point (an indicator of humidity) of 25°C (77°F) 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 Green Island is August with a dew point of 17°C (63°F) which is OK for most but slightly uncomfortable for some.

Annual Wind Speed for Green Island

The most windy month in Green Island is April when the average maximum windspeed is 30KM/H (18MPH) and the average wind speed is 17KM/H (11MPH).

The least windy month in Green Island is January when the average maximum windspeed is 25KM/H (15MPH) and the average wind speed is 12KM/H (7MPH).

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