Sydney Weather in August

With daytime temperatures of 18°C (64°F) and nighttime lows of 11°C (52°F), August in Sydney brings pleasant temperatures during the day. Some rainfall is to be expected during the month.

Rainfall in Sydney in August

The climate data from previous years indicates about 10 days of rain, averaging 54 mm (2.1 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Sydney in August

Daytime temperatures in Sydney reach 18°C (64°F) in August, dropping to 11°C (52°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Sydney in August

Enjoy a sunny month with about 242 hours of sunshine, the clear skies make Sydney even more beautiful.

Wind Speed in Sydney in August

Wind speeds average 3 m/s (6 knots) during August. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.

Average water temperature in August

The water temperature is 16°C (61°F) — chilly, but perfectly fine for a swim if you're not too sensitive to cold water. A short wetsuit can make longer sessions more comfortable.

August in Sydney 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 Sydney's climate page.

Sydney Temperature in August

Min Temperature 11°C (52°F)  

Max Temperature 18°C (64°F)  

Water Temperature 16°C (61°F)  

Chance of Rain 33%  

Precipitation 54 mm (2.1 in)  

Rainy days 10 days  

Humidity 48%  

Windspeed 3 m/s (6 knots)  

Sunshine 242 hours  

Percentage Sunshine 73%  

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Sydney typically stay consistent throughout August, with daily highs averaging around 18°C (64°F). Nights are cool, with lows typically ranging from 8°C (46°F) to 11°C (52°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 Sydney in August

Browse day-by-day weather records for Sydney 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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Sydney historical weather extremes in August

Based on 49 years of weather observations in Sydney between 1976 and 2025, these are the recorded extremes.

• On August 30, 2024, temperatures climbed to 31°C (88°F), marking the warmest August day on record.
• Sydney experienced its chilliest August day on August 19, 1996, reaching only 11°C (52°F).
• The lowest overnight temperature recorded in August was -2°C (28°F) (August 1, 1982).

What to Wear in Sydney in August

For Sydney in August, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. With water temperatures around 16°C (61°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Sydney in August

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

Cycling

10/10

Walking

10/10

Camping

8/10

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 Sydney's climate page.

More climate data for Sydney

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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