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August Weather in Adelaide, South Africa

Last updated: August 31, 2025

In August, the average temperature in Adelaide, South Africa is a mild 13°C (55°F). Visitors can expect a range from a chilly -1°C (30°F) to a warm 32°C (89°F). With an average precipitation of 24 mm (1.0 in) spread over 5 days, plan accordingly for some wet weather. Additionally, the average humidity is 72%, adding a touch of dampness to the air.

August Temperature in Adelaide

In August in Adelaide, the average temperature is 13°C (55°F). The maximum can reach 32°C (89°F) and the minimum can be as low as -1°C (30°F). Visitors should pack accordingly to enjoy the varied temperatures throughout the day.

August Weather in Adelaide: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Adelaide, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Adelaide, August typically has an average temperature of 13°C (55°F), with highs reaching up to 32°C (89°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec717169636057565560636568
Data source: Temperature data for Adelaide generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Adelaide

In Adelaide in August, the precipitation amount is 24 mm (1.0 in) spread over the course of 5 days.

August Precipitation Trends in Adelaide

The chart displays monthly precipitation patterns in Adelaide, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Adelaide, August typically receives around 24 mm (1.0 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec68916257285122439606070
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Adelaide

In Adelaide in August humidity is 72%. With an average temperature of 13°C (55°F), this humidity feels like a damp blanket wrapping around you, making outdoor exploration somewhat uncomfortable and prompting travelers to seek shade or indoor activities more often.

August Average Humidity in Adelaide

This chart illustrates the average monthly humidity levels in Adelaide, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Adelaide is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%86%85%84%79%77%72%79%77%78%80%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Adelaide

In Adelaide in August, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Adelaide, you can refer to this Hourly UV Index in Adelaide.

Maximum UV Index Levels in Adelaide for August

The chart shows the monthly maximum UV Index (UVI) for Adelaide in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Adelaide typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151412864469111315
Data source: Adelaide August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How August Weather in Adelaide Compares to Other Months

Weather in Adelaide varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Adelaide, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Adelaide, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (71°F)68 mm (2.7 inches)80%extreme
February Weather22°C (71°F)91 mm (3.6 inches)79%extreme
March Weather20°C (69°F)62 mm (2.5 inches)86%extreme
April Weather17°C (63°F)57 mm (2.2 inches)85%very high
May Weather16°C (60°F)28 mm (1.1 inches)84%high
June Weather14°C (58°F)5 mm (0.2 inches)79%moderate
July Weather13°C (56°F)12 mm (0.5 inches)77%moderate
August Weather13°C (55°F)24 mm (1.0 inches)72%high
September Weather16°C (60°F)39 mm (1.5 inches)79%very high
October Weather17°C (63°F)60 mm (2.4 inches)77%extreme
November Weather18°C (65°F)60 mm (2.4 inches)78%extreme
December Weather20°C (68°F)70 mm (2.8 inches)80%extreme

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