Weather in Cairns, Australia in December

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Visiting Cairns, Australia in December

The weather in December is slightly warmer than the previous month. December has average maximum temperatures of 31°C (89°F) which is very hot and perfect for sunbathing on clear days. 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. It is a good time for sunbathing in Cairns.

December has total rainfall of 13.4cm (5.3inches) making it a bit rainy but with only moderate tropical showers. There are 18.2 days with some rainfall so you can still enjoy the beach on the clear days.

Sea temperatures are a very warm 29°C (83°F). December is an excellent month for swimming in Cairns with very comfortable temperatures for bathing all day. The sea temperature in December is marginally warmer than the previous month and temperatures continue to rise slightly into January.

Consider visiting Cairns in the months of July, August, September, October, for the best beach weather. Also consider one of our other suggestions for December.

Can you sunbathe in Cairns in December?

Yes, December is a good time for sunbathing in Cairns.

December has average maximum temperatures of 31°C (89°F) which is very hot and perfect for sunbathing on clear days. 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. December has total rainfall of 13.4cm (5.3inches) making it a bit rainy but with only moderate tropical showers. There are 18.2 days with some rainfall so you can still enjoy the beach on the clear days.

More about December temperature and sunshine.

Can you swim in Cairns in December?

Yes, December is an excellent month for swimming in Cairns with very warm sea temperatures 29°C (83°F).

More about December sea temperatures.

Is December a good time to holiday in Cairns?

Yes, December is a good time for a holiday in Cairns.

December has average maximum temperatures of 31°C (89°F) which is very hot and perfect for sunbathing on clear days. 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. December has total rainfall of 13.4cm (5.3inches) making it a bit rainy but with only moderate tropical showers. There are 18.2 days with some rainfall so you can still enjoy the beach on the clear days. It is a good time for sunbathing in Cairns. Sea temperatures are a very warm 29°C (83°F). December is an excellent month for swimming in Cairns with very comfortable temperatures for bathing all day.

More about the December temperatures and sunshine.

Is Cairns warm in December?

Yes, Cairns is very hot and perfect for sunbathing on clear days in December.

The average maximum temperature in Cairns in December is 31°C (89°F). The average maximum temperature is 30°C (87°) in the previous month and 31°C (88°F) in the next month.

The average temperature in Cairns in December is 28°C (82°F). The average temperature is 27°C (80°F) in the previous month and 28°C (82°F) in the next month.

More info about the December temperatures and sunshine.

How sunny is Cairns in December?

The average day light hours per day in Cairns in December are 13.1. 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.

More about December sunshine.

Temperature in Cairns in December

The weather in December is slightly warmer than the previous month. The average maximum temperature in Cairns in December is 31°C (89°F). The average maximum temperature is 30°C (87°F) in the previous month and 31°C (88°F) in the next month.

The average temperature in Cairns in December is 28°C (82°F). The average temperature is 27°C (80°F) in the previous month and 28°C (82°F) in the next month.

The average minimum temperature in Cairns in December is 24°C (75°F). The minimum temperature is 23°C (73°F) in the previous month and 24°C (75°F) in the next month.

Sunshine in Cairns in December

The days in December are longer than the previous month. December has a slightly more hours of sunshine than the previous month. During December the average day light hours are 13.1 per day in Cairns. 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.

The ultraviolet index in Cairns in December is typically 14.9 during December. 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.

Sea Temperature in Cairns in December

The average sea water temperature in Cairns in December is 28.6°C (83.5°F) which is very warm and ideal for relaxing and swimming for the whole day. The sea temperature in December is marginally warmer than the previous month and temperatures continue to rise slightly into January.

Rainfall in Cairns in December

December weather is slightly drier than the previous month. December has a couple of more days of rain than the previous month and rainy days continue to rise into January. The average total rainfall in Cairns in December is 13.4cm (5.3inches) and on average there are 18.2 rainy days in December making it a wet time to visit the beach.

Humidity in Cairns in December

The maximum dew point (an indicator of humidity) in Cairns in December is 24°C (75°F) which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan. The dew point is 22°C (72°F) in the previous month and 25°C (25°F) in the next month.

The average maximum relative humidity in Cairns in December is typically 92.5%. The maximum relative humidity is 90.9% in the previous month and 95.2% in the next month.

The average relative humidity in Cairns in December is typically 74%. The average relative humidity is 72.3% in the previous month and 79.1% in the next month.

Wind Speed in Cairns in December

The average maximum wind speed in Cairns in December is typically 25KM/H (16MPH). The average maximum wind speed is 26KM/H (16MPH) in the previous month and 25KM/H (15MPH) in the next month.

The average wind speed in Cairns in December is typically 12KM/H (8MPH). The average wind speed is 13KM/H (8MPH) in the previous month and 12KM/H (7MPH) in the next month.

The average wind direction in Cairns in December is from the East-Southeast.

Monthly Averages

Suggested Beaches in December

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Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.

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Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.