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Sea
29°
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29°
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29°
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28°
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27°
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26°
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25°
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25°
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25°
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26°
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27°
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29°
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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 5.4 hours of sun per day.
The best months to visit Cairns 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 December 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.
Yes, you can sunbathe in Cairns 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.
Yes, you can swim in Cairns all year round.
The warmest sea water temperatures in Cairns 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 December 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
The hottest month in Cairns 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.
The coolest month in Cairns 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
The driest month in Cairns 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
The coldest sea water temperatures in Cairns 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.
The warmest sea water temperatures in Cairns 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.
The most humid month in Cairns 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.
The least humid month in Cairns 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.
The most windy month in Cairns 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.
The hottest month in Cairns 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 Cairns 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).
The longest days in Cairns 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 Cairns are in December which has the most hours of sunshine per day. The sunshine percentage is 47.2% making it quite sunny but with regular periods of cloudy and overcast skies. There are 6.2 hours of sunshine per day.
May has the least sunshine. The sunshine percentage is 38% making it very cloudy and overcast with some periods of sunshine. There are 4.3 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.
The warmest sea water temperatures in Cairns 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 December 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.
The wettest month in Cairns 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 Cairns 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.
The most humid month in Cairns 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 Cairns is August with a dew point of 17°C (63°F) which is OK for most but slightly uncomfortable for some.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.