Weather in Adelaide in August 2025
Average weather
Average temperature in Adelaide in August
The temperature in August is +17°C on average, with a range between a maximum of +24°C during the day and a minimum of +6°C at night.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +16°C to +16°C.
Is Adelaide warm or cold in August?
Adelaide is typically mild in August.
Maximum temperatures go up compared to the previous month from +14°C to +15°C. The minimum temperature also goes up from +8°C to +9°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
August is one of the coolest months in Adelaide, here is the comparison with other months:
Climate in Adelaide in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +14°C | +15°C | +18°C | ||||
| Min. temperature | ||||||
| +1°C | +1°C | +3°C | ||||
| Max. temperature | ||||||
| +22°C | +28°C | +31°C | ||||
| Rainfall | ||||||
| 72 mm | 67 mm | 60 mm | ||||
| Wind | ||||||
| 4 m/s | 4 m/s | 4 m/s | ||||
| Humidity | ||||||
| 79% | 77% | 73% | ||||
| Air pressure | ||||||
| 1019 HPa | 1018 HPa | 1017 HPa | ||||
| Sunny days | ||||||
| 5 | 6 | 8 | ||||
| Cloudy days | ||||||
| 9 | 8 | 8 | ||||
| Rainy days | ||||||
| 17 | 17 | 14 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as ok as in July. It’s getting warmer as August arrives. The average maximum temperature goes up from +14°C to +15°C during the day. As August arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 72 mm to 67 mm. It feels drier, as humidity decreases from 79% to 77%. The average wind speed doesn’t change much during August, staying around 4 m/s. The good news is there are likely to be more sunny days in August, from 5 to 6.
But maybe it is worth considering traveling in September as the weather gets better.
Wind
The average wind speed is 3 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Adelaide is gradually increasing during August, going from 1 m/s to 2 m/s over the course of the month.
Rain
How was the weather last August in Adelaide?
Climate Change over Years
The climate in Adelaide in August has not changed much over the last 43 years.
The average temperature was the lowest in 1992 (+20°C) and the highest in 2007 (+22°C). The driest year was 1982 with only 298 mm of rainfall, and the wettest year was 2020 with 1368 mm.
FAQ
Is August a good time to visit Adelaide?
Can you sunbathe in Adelaide in August?
Is Adelaide rainy in August?
Is it sunny in Adelaide in August?
Other cities in Australia
Monthly weather in Adelaide
Source of the data
For this page, we’ve looked at the typical weather in Adelaide, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.