August weather forecast
Cairns, Australia

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Weather in August

August brings a warmer tone to the weather and is known for its spectacular weather stability. The winter gradually steps towards spring with a slight rise in temperatures from July. This transition period is the driest with the least amount of rainfall days observed during the year. The rise in daily sunshine hours delights the locals and tourists alike. The almost perfect climate makes each day ideal for exploration and adventure.

Temperature

At the onset of August, Cairns records an average high-temperature of a still moderately hot 24°C (75.2°F), showing little deviation from the preceding month. An average nighttime temperature of 18°C (64.4°F) is recorded during August.

Humidity

In August, the average relative humidity is 75%.

Rainfall

In Cairns, Australia, in August, it is raining for 8.8 days, with typically 13mm (0.51") of accumulated precipitation. Throughout the year, there are 167.3 rainfall days, and 652mm (25.67") of precipitation is accumulated.

Sea temperature

In August, the average sea temperature is 24°C (75.2°F).
Note: Your comfort in 24°C (75.2°F) waters hinges on your relationship with the cold, today's sunny disposition, wind patterns, and the air's temperature. For context, Olympic swimmers are no strangers to waters of 25°C (77°F) to 28°C (82.4°F).

Daylight

The average length of the day in August is 11h and 34min.
On the first day of August, sunrise is at 6:42 am and sunset at 6:04 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 6:10 pm AEST.

Sunshine

The average sunshine in August is 8.7h.

UV index

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.
Note: A maximum daily UV index of 6 during August morphs into the following directions:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Boost your sun resistance with garments that are densely woven yet spacious. Warning! The reflection of sand and water increases the UV dose.
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Frequently asked questions

What is the temperature in August in Cairns?

In August, in Cairns, the average high-temperature is 24°C (75.2°F), and the average low-temperature is 18°C (64.4°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in April is calculated to be 30°C (86°F).

What is the average humidity in August in Cairns?

In Cairns, Australia, the average relative humidity in August is 75%.

How much does it rain in Cairns in August?

In Cairns, Australia, in August, during 8.8 rainfall days, 13mm (0.51") of precipitation is typically accumulated.

What is the water temperature in August in Cairns?

In Cairns, Australia, in August, the average water temperature is 24°C (75.2°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 24°C (75.2°F).

What is the average length of the day in August in Cairns?

The average day length in August in Cairns is 11h and 34min.

When is the sunrise / sunset in August in Cairns?

On the first day of August in Cairns, sunrise is at 6:42 am and sunset at 6:04 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 6:10 pm AEST.

How many hours of sunshine does Cairns have in August?

In Cairns, Australia, the average sunshine duration in August is 8.7h.

What is the UV index reading in August in Cairns?

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.

Average temperature in August
Cairns, Australia

Average temperature in August - Cairns, Australia
  • Average high temperature in August: 24°C

The warmest month (with the highest average high temperature) is February (29.4°C).
The month with the lowest average high temperature is July (23.2°C).

  • Average low temperature in August: 18°C

The months with the highest average low temperature are January and February (24.3°C).
The coldest month (with the lowest average low temperature) is August (18°C).

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Average pressure in August
Cairns, Australia

Average pressure in August - Cairns, Australia
  • Average pressure in August: 1016.5mbar

The month with the highest atmospheric pressure is July (1016.8mbar).
The month with the lowest atmospheric pressure is January (1007.6mbar).

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Average wind speed in August
Cairns, Australia

Average wind speed in August - Cairns, Australia
  • Average wind speed in August: 14.5km/h

The windiest month (with the highest average wind speed) is May (17.2km/h).
The calmest month (with the lowest average wind speed) is February (11.2km/h).

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Average humidity in August
Cairns, Australia

Average humidity in August - Cairns, Australia
  • Average humidity in August: 75%

The month with the highest relative humidity is March (81%).
The months with the lowest relative humidity are September and October (74%).

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Average rainfall in August
Cairns, Australia

Average rainfall in August - Cairns, Australia
  • Average rainfall in August: 13mm

The wettest month (with the highest rainfall) is January (162mm).
The driest month (with the least rainfall) is September (9mm).

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Average rainfall days in August
Cairns, Australia

Average rainfall days in August - Cairns, Australia
  • Average rainfall days in August: 8.8 days

The month with the highest number of rainy days is January (22.4 days).
The month with the least rainy days is September (7.2 days).

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Average sea temperature in August
Cairns, Australia

Average sea temperature in August - Cairns, Australia
  • Average sea temperature in August: 24°C

The best month for swimming (with the highest average sea temperature) is January (29.5°C).
The coldest month (with the lowest average sea temperature) is July (23.8°C).

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Average daylight in August /
Average sunshine in August
Cairns, Australia

Average daylight in August / Average sunshine in August - Cairns, Australia
  • Average daylight in August: 11h and 4min

The month with the longest days is December (Average daylight: 13h and 6min).
The month with the shortest days is June (Average daylight: 11h and 6min).

  • Average sunshine in August: 8h and 4min

The months with the most sunshine are October and November (Average sunshine: 10h and 48min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).

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Average sunshine days in August
Cairns, Australia

Average sunshine days in August - Cairns, Australia
  • Average sunshine days in August: 17.8 days

The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is January (6.3 days).

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Average UV index in August
Cairns, Australia

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

The months with the highest UV index are January, February and November (UV index 7).
The month with the lowest UV index is July (UV index 5).

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Average cloud cover in August
Cairns, Australia

Average cloud cover in August - Cairns, Australia
  • Average cloud cover in August: 29

The months with the most cloud cover are January and March (Cloud cover 45).
The month with the least cloud cover is September (Cloud cover 28).

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Average visibility in August
Cairns, Australia

Average visibility in August - Cairns, Australia
  • Average visibility in August: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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Cairns, Australia

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