Adelaide Weather in August

Adelaide in August averages 16°C (61°F) during the day and 8°C (46°F) at night. This is part of the winter season, and quite a bit of rainfall is expected this month.

Rainfall in Adelaide in August

Typically, about 9 days will experience rainfall, with an average of 62 mm (2.4 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Adelaide in August

Daytime temperatures in Adelaide reach 16°C (61°F) in August, dropping to 8°C (46°F) at night. August marks the winter season. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights fall to 8°C (46°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Adelaide in August

The month brings about 188 hours of sunlight, offering a comfortable mix of sun and overcast.

Wind Speed in Adelaide in August

Wind speeds average 5 m/s (10 knots) during August. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.

Average water temperature in August

At 19°C (66°F), the water is getting there — comfortable enough for most swimmers, though those used to warmer seas may still find it a touch cool.

August in Adelaide can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

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For a detailed overview over the year and the best time to visit Australia, check out our Adelaide's climate page.

Adelaide Temperature in August

Min Temperature 8°C (46°F)  

Max Temperature 16°C (61°F)  

Water Temperature 19°C (66°F)  

Chance of Rain 29%  

Precipitation 62 mm (2.4 in)  

Rainy days 9 days  

Humidity 55%  

Windspeed 5 m/s (10 knots)  

Sunshine 188 hours  

Percentage Sunshine 70%  

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Adelaide typically stay consistent throughout August, with daily highs averaging around 16°C (61°F). Nights are cold, with lows around 8°C (46°F).

Average temperatures in August

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Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in August

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Historical weather for Adelaide in August

Browse day-by-day weather records for Adelaide spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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Adelaide historical weather extremes in August

According to our 49 years of weather records for Adelaide, the following extremes were recorded between 1976 and 2025.

• Adelaide recorded its highest August temperature of 28°C (82°F) on August 26, 1977.
• Adelaide experienced its chilliest August day on August 7, 2020, reaching only 8°C (46°F).
• The lowest overnight temperature recorded in August was 0°C (32°F) (August 25, 2002).
• The heaviest August precipitation occurred on August 19, 1980, when 36 mm (1.4 in) of precipitation fell.

What to Wear in Adelaide in August

Pack for changing conditions in Adelaide in August. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Rain gear is recommended, you can expect wet weather on multiple days. With water temperatures around 19°C (66°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Adelaide in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Australia, check out our Adelaide's climate page.

More climate data for Adelaide

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Adelaide climate overview or explore weather in Australia.