August weather forecast
Adelaide, Australia

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Weather in August

August cherishes the frosty end of winter followed by the welcoming warmth of spring. The temperatures exhibit a mild increase to an average high of 14.5°C (58.1°F). Adelaide experiences heightened gust speeds up to 25.6km/h (15.9mph), marking them as the highest of the year. The city's flora nods to the impending spring, showcasing robust colors. Shimmering under 10.8 hours of daylight, this month harbors the commencement of a mellow transition towards Spring, expected to fully arrive in September.

Temperature

With August's advent, Adelaide sees an average high-temperature of a still moderate 14.5°C (58.1°F), subtly shifted from July's 13.9°C (57°F). In August, the temperature drops to an average of 9.1°C (48.4°F) at night.

Humidity

The average relative humidity in August in Adelaide is 72%.

Rainfall

August is the month with the most rainfall. Rain falls for 14.2 days and accumulates 43mm (1.69") of precipitation.

Sea temperature

August through October, with an average sea temperature of 15°C (59°F), are months with the coldest seawater.
Note: Swimming in 15°C (59°F) is not an enjoyable experience for most. Breathing becomes progressively more challenging as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

In August, the average length of the day is 10h and 50min.
On the first day of the month, sunrise is at 7:09 am and sunset at 5:34 pm. On the last day of August, in Adelaide, Australia, sunrise is at 6:35 am and sunset at 5:56 pm ACST.

Sunshine

With an average of 7.1h of sunshine, August has the least sunshine of the year in Adelaide.

UV index

In August, the average daily maximum UV index in Adelaide is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: In August, the maximum UV index of 4 suggests this advice:
Act with care - The need to guard against sun damage is communicated. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
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Frequently asked questions

What is the average August temperature in Adelaide?

The high-temperature, in August, in Adelaide, is 14.5°C (58.1°F), while the low-temperature averages to 9.1°C (48.4°F).

What is the average humidity in August in Adelaide?

In Adelaide, Australia, the average relative humidity in August is 72%.

What is the wettest month in Adelaide?

August is the month with the most rainfall. Rain falls for 14.2 days and accumulates 43mm (1.69") of precipitation.

How much does it rain in Adelaide in August?

In Adelaide, Australia, in August, during 14.2 rainfall days, 43mm (1.69") of precipitation is typically accumulated.

When is the sea coldest in Adelaide?

The months with the coldest seawater in Adelaide are August through October, with an average sea temperature of 15°C (59°F).

What is the sea temperature in August in Adelaide?

In August, the average sea temperature in Adelaide, Australia, is 15°C (59°F). For swimming, a surface water temperature of 15°C (59°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 average length of the day in August in Adelaide?

The average day length in August in Adelaide is 10h and 50min.

When are sunrise and sunset in August in Adelaide?

On the first day of August in Adelaide, Australia, sunrise is at 7:09 am and sunset at 5:34 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 5:56 pm ACST.

What is the month with the least sunshine in Adelaide?

August has the least sunshine of the year, with an average of 7.1h of sunshine.

How long on average sun shines in August in Adelaide?

The average sunshine duration in August in Adelaide is 7.1h.

What is the UV index intensity in August in Adelaide?

In August, the average daily maximum UV index in Adelaide is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.

Average temperature in August
Adelaide, Australia

Average temperature in August - Adelaide, Australia
  • Average high temperature in August: 14.5°C

The warmest month (with the highest average high temperature) is January (26.3°C).
The month with the lowest average high temperature is July (13.9°C).

  • Average low temperature in August: 9.1°C

The month with the highest average low temperature is January (17.8°C).
The coldest month (with the lowest average low temperature) is August (9.1°C).

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Average pressure in August
Adelaide, Australia

Average pressure in August - Adelaide, Australia
  • Average pressure in August: 1018.6mbar

The month with the highest atmospheric pressure is June (1021.8mbar).
The month with the lowest atmospheric pressure is January (1012.4mbar).

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Average wind speed in August
Adelaide, Australia

Average wind speed in August - Adelaide, Australia
  • Average wind speed in August: 16.3km/h

The windiest month (with the highest average wind speed) is August (16.3km/h).
The calmest month (with the lowest average wind speed) is April (12.9km/h).

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Average humidity in August
Adelaide, Australia

Average humidity in August - Adelaide, Australia
  • Average humidity in August: 72%

The months with the highest relative humidity are June and July (74%).
The month with the lowest relative humidity is January (58%).

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Average rainfall in August
Adelaide, Australia

Average rainfall in August - Adelaide, Australia
  • Average rainfall in August: 43mm

The wettest month (with the highest rainfall) is August (43mm).
The driest month (with the least rainfall) is March (16mm).

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Average rainfall days in August
Adelaide, Australia

Average rainfall days in August - Adelaide, Australia
  • Average rainfall days in August: 14.2 days

The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is February (6.2 days).

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Average sea temperature in August
Adelaide, Australia

Average sea temperature in August - Adelaide, Australia
  • Average sea temperature in August: 15°C

The best month for swimming (with the highest average sea temperature) is February (20°C).
The coldest months (with the lowest average sea temperature) are August, September and October (15°C).

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

Average daylight in August / Average sunshine in August - Adelaide, Australia
  • Average daylight in August: 10h and 5min

The month with the longest days is December (Average daylight: 14h and 30min).
The month with the shortest days is June (Average daylight: 9h and 48min).

  • Average sunshine in August: 7h and 1min

The month with the most sunshine is December (Average sunshine: 10h and 6min).
The month with the least sunshine is August (Average sunshine: 7h and 6min).

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Average sunshine days in August
Adelaide, Australia

Average sunshine days in August - Adelaide, Australia
  • Average sunshine days in August: 12.7 days

The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is August (12.7 days).

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Average UV index in August
Adelaide, Australia

Average UV index in August - Adelaide, Australia
  • Average UV index in August: 4

The months with the highest UV index are February and December (UV index 6).
The month with the lowest UV index is June (UV index 3).

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Average cloud cover in August
Adelaide, Australia

Average cloud cover in August - Adelaide, Australia
  • Average cloud cover in August: 40

The month with the most cloud cover is July (Cloud cover 41).
The month with the least cloud cover is January (Cloud cover 20).

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Average visibility in August
Adelaide, Australia

Average visibility in August - Adelaide, 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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Adelaide, Australia

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