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

August 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
August, the last month of the winter, in Brisbane, is also an agreeable month, with average temperature fluctuating between 9.7°C (49.5°F) and 21.8°C (71.2°F).

Temperature

In August, the average high-temperature is relatively the same as in July - a still pleasant 21.8°C (71.2°F). In Brisbane, the average low-temperature is 9.7°C (49.5°F).

Humidity

Months with the lowest humidity are July and August, with an average relative humidity of 50%.

Rainfall

In Brisbane, in August, during 5.2 rainfall days, 41.3mm (1.6") of precipitation is typically accumulated. In Brisbane, during the entire year, the rain falls for 116.9 days and collects up to 1006.6mm (39.6") of precipitation.

Sea temperature

July and August, with an average sea temperature of 21°C (69.8°F), are months with the coldest seawater. Swimming in 21°C (69.8°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

Daylight

In August, the average length of the day in Brisbane is 11.2h.

Sunshine

The average sunshine in August is 8.6h.

UV index

In Brisbane, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to the Sun's UV rays for average individuals.
In August, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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.

What is the temperature in August in Brisbane?

The average high-temperature, in August, in Brisbane, Australia, is 21.8°C (71.2°F), while the average low-temperature is 9.7°C (49.5°F).

What are the least humid months in Brisbane?

July and August, with an average relative humidity of 50%, are the least humid months.

What is the average humidity in August in Brisbane?

In Brisbane, the average relative humidity in August is 50%.

How much does it rain in Brisbane in August?

In Brisbane, Australia, in August, during 5.2 rainfall days, 41.3mm (1.6") of precipitation is typically accumulated.

When is the sea coldest in Brisbane?

July and August, with an average sea temperature of 21°C (69.8°F), are months with the coldest seawater in Brisbane, Australia. For swimming, a surface water temperature of 21°C (69.8°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

What is the sea temperature in August in Brisbane?

In August, the average sea temperature in Brisbane is 21°C (69.8°F). Swimming in 21°C (69.8°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

How many hours of daylight does Brisbane have in August?

The average length of the day in August in Brisbane is 11.2h.

How many hours of sunshine does Brisbane have in August?

In Brisbane, Australia, the average sunshine in August is 8.6h.

What is the UV index reading in August in Brisbane?

In August, the average daily maximum UV index in Brisbane, Australia, is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV rays.
Average temperature in August - Brisbane, Australia
  • Average high temperature in August: 21.8°C

Warmest months (with the highest average high temperature) are January and February (29°C).
The month with the lowest average high temperature is July (20.9°C).

  • Average low temperature in August: 9.7°C

The month with the highest average low temperature is January (21.2°C).
The coldest month (with the lowest average low temperature) is July (9°C).

Average humidity in August - Brisbane, Australia
  • Average humidity in August: 50%

Months with the highest relative humidity are January and February (63%).
Months with the lowest relative humidity are July and August (50%).

Average rainfall in August - Brisbane, Australia
  • Average rainfall in August: 41.3mm

The wettest month (with the highest rainfall) is January (139.3mm).
The driest month (with the lowest rainfall) is July (30.2mm).

Average rainfall days in August - Brisbane, Australia
  • Average rainfall days in August: 5.2 days

The month with the highest number of rainy days is March (13.1 days).
The month with the lowest number of rainy days is August (5.2 days).

Average sea temperature in August - Brisbane, Australia
  • Average sea temperature in August: 21°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 August / Average sunshine in August - Brisbane, Australia
  • Average daylight in August: 11.2h

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 August: 8.6h

Months with most sunshine are September and November (Average sunshine: 9h).
The month with least sunshine is June (Average sunshine: 6.6h).

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

Months with the highest UV index are January, February and December (UV index 12).
Months with the lowest UV index are June and July (UV index 4).