Brisbane
Australia
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Brisbane, Australia

Sunset in Brisbane, Australia, with a view of the Brisbane River and cloudy evening skies
Sunset in Brisbane, Australia, with a view of the Brisbane River and cloudy evening skies
The first month of the summer, December, is also a moderately hot month in Brisbane, Australia, with temperature in the range of an average high of 27.2°C (81°F) and an average low of 20.8°C (69.4°F).

Temperature

In Brisbane, the average high-temperature in December is relatively the same as in November - a still warm 27.2°C (81°F). The average low-temperature, in Brisbane, is 20.8°C (69.4°F).

Heat index

The average heat index is estimated at 29.6°C (85.3°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'feels like', or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like activity, metabolic differences, wind, and clothing affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The average relative humidity is 74%.

Rainfall

In Brisbane, Australia, during December, the rain falls for 17.1 days and regularly aggregates up to 71mm (2.8") of precipitation. Throughout the year, in Brisbane, there are 178.8 rainfall days, and 665mm (26.18") of precipitation is accumulated.

Sea temperature

In Brisbane, Australia, in December, the average water temperature is 25°C (77°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

The month with the longest days in Brisbane, Australia, is December, with an average of 13.9h of daylight.

Sunshine

The average sunshine in Brisbane, Australia, is 9.9h.

UV index

January through March, October through December, with an average maximum UV index of 6, are months with the highest UV index in Brisbane. A UV Index value of 6 to 7 symbolizes a high health hazard from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in December in Brisbane?

The average high-temperature, in December, is 27.2°C (81°F), while the average low-temperature is 20.8°C (69.4°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), that calculates temperature value influenced by the moisture in the air, in December is appraised at 29.6°C (85.3°F).

What is the average humidity in December in Brisbane?

In December, the average relative humidity is 74%.

How much does it rain in Brisbane in December?

In Brisbane, Australia, during December, the rain falls for 17.1 days and regularly aggregates up to 71mm (2.8") of precipitation.

How warm is the water in December in Brisbane?

In Brisbane, the average seawater temperature in December is 25°C (77°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

When are the longest days in Brisbane?

The month with the longest days in Brisbane is December, with an average of 13.9h of daylight.

How many hours of daylight does Brisbane have in December?

In December, the average length of the day is 13.9h.

How long on average sun shines in December in Brisbane?

The average sunshine in December in Brisbane, Australia, is 9.9h.

What are the months with the highest UV index in Brisbane?

January through March, October through December, with an average maximum UV index of 6, are months with the highest UV index in Brisbane, Australia.

What is the UV index reading in December in Brisbane?

In Brisbane, Australia, the average daily maximum UV index in December is 6. A UV Index value of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV rays.
Average temperature in December - Brisbane, Australia
  • Average high temperature in December: 27.2°C

The warmest month (with the highest average high temperature) is January (28.1°C).
The month with the lowest average high temperature is July (19.4°C).

  • Average low temperature in December: 20.8°C

The month with the highest average low temperature is January (22.1°C).
The coldest month (with the lowest average low temperature) is July (12.7°C).

Average humidity in December - Brisbane, Australia
  • Average humidity in December: 74%

Months with the highest relative humidity are February and March (77%).
The month with the lowest relative humidity is August (68%).

Average rainfall in December - Brisbane, Australia
  • Average rainfall in December: 71mm

The wettest month (with the highest rainfall) is March (89mm).
The driest month (with the lowest rainfall) is September (26mm).

Average rainfall days in December - Brisbane, Australia
  • Average rainfall days in December: 17.1 days

The month with the highest number of rainy days is March (20.1 days).
The month with the lowest number of rainy days is August (9.5 days).

Average sea temperature in December - Brisbane, Australia
  • Average sea temperature in December: 25°C

The best month for swimming (with the highest average sea temperature) is February (27°C).
Coldest months (with the lowest average sea temperature) are July and August (21°C).

Average daylight in December / Average sunshine in December - Brisbane, Australia
  • Average daylight in December: 13.9h

The month with the longest days is December (Average daylight: 13.9h).
The month with shortest days is June (Average daylight: 10.4h).

  • Average sunshine in December: 9.9h

The month with most sunshine is November (Average sunshine: 10.6h).
The month with least sunshine is June (Average sunshine: 6.2h).

Average UV index in December - Brisbane, Australia
  • Average UV index in December: 6

Months with the highest UV index are January, February, March, October, November and December (UV index 6).
The month with the lowest UV index is June (UV index 4).