Sydney, Australia skyline

Sydney Weather in August

Sydney, Australia in August: how the month usually turns out, from 2006–2025 averages.

A typical August day in Sydney peaks at 17.7°C (63.9°F) and drops to 9.2°C (48.6°F) overnight; expect about 6 rainy days (51 mm in total) and 9.2 hours of sunshine daily.

Avg high

17.7°C (63.9°F)

Avg low

9.2°C (48.6°F)

Rainfall

51 mm (2 in)

Rainy days

6 days

Sunshine

9.2 h / day

Humidity

68%

August vs the rest of the year

On temperature, August beats 2 of 11 other months, and it ranks as the 3rd driest month of the year.

MonthAvg highvs AugustRainRainy days
January26.1°C (79°F)+8.4°C (+15.1°F)84 mm11
February25.4°C (77.7°F)+7.7°C (+13.9°F)99 mm12
March24.5°C (76.1°F)+6.8°C (+12.2°F)109 mm13
April22°C (71.6°F)+4.3°C (+7.7°F)73 mm10
May19.2°C (66.6°F)+1.5°C (+2.7°F)55 mm7
June16.5°C (61.7°F)−1.2°C (−2.2°F)77 mm9
July16.4°C (61.5°F)−1.3°C (−2.3°F)50 mm6
August17.7°C (63.9°F)—51 mm6
September20.3°C (68.5°F)+2.6°C (+4.7°F)47 mm7
October22.2°C (72°F)+4.5°C (+8.1°F)57 mm9
November23.4°C (74.1°F)+5.7°C (+10.3°F)80 mm10
December24.9°C (76.8°F)+7.2°C (+13°F)66 mm10

What August feels like in Sydney

Late winter arrives in Sydney with August (Sydney is in the southern hemisphere, so the seasons run opposite to Europe and North America). Expect cool, jacket-on afternoons — comfortable for a long walk. After sunset it cools off noticeably — nights are cool. The air is damp, which makes cool temperatures feel colder, particularly in wind.

Rain in Sydney in August

Rain turns up now and then — about one day in 5. Each rainy day adds about 8.4 mm (0.3 in), a proper wetting rather than a sprinkle. The yearly figure is similar, around 7.7 mm per wet day. It is among the three driest months of the year.

Daylight and sunshine in August

Mid-month, Sydney gets 10 h 50 min of daylight, from sunrise near 6:35 am to sunset near 5:25 pm. Days are getting longer: 44 min more daylight than in mid-July. About 85% of daylight hours are sunny; in short, skies are mostly clear.

How August compares to the rest of the year

Ranked by average high, August comes out as the 3rd coolest month in Sydney. Afternoons run 1.3°C (2.3°F) warmer than in July, with about the same rain. Temperatures keep climbing into September. September averages a high of 20.3°C (68.5°F).

Who August suits

  • Sightseeing: a good fit — daytime temperatures are fine for walking around.
  • Parks & outdoor: a good fit — comfortable for long walks and picnics.
  • Beach: less ideal — the sea air is too cool.

Tips for visiting Sydney in August

Versatile Layers

Mornings and evenings are cooler than midday, so dress in layers.

Light Jacket

Bring a sweater or light coat for cool afternoons.

Sunglasses

Plenty of sun, so bring sunglasses and a cap.

Quick questions

How warm is Sydney in August?

It feels cool: typical highs are 17.7°C (63.9°F), with lows near 9.2°C (48.6°F).

Does it rain a lot in Sydney in August?

Only moderately: roughly 6 wet days and 51 mm, usually moderate rain.

What should I wear in Sydney in August?

Based on the averages: versatile layers, a light jacket and sunglasses. Bring something extra for the cooler evenings.

Is August or September better for visiting Sydney?

September scores better on our climate ranking (#1 of 12 vs #7), rated Great against Good. September is warmer and has more rainy days.

Is August a good time to visit Sydney?

Good

Good — mild but cool days, some rainy days (about 6), plenty of sunshine (9.2 h a day). Within Sydney's own year, August ranks #7 of 12.

Travel notes: Sydney in August

Things to know in August

  • City2Surf: the City2Surf fun run, from the city centre to Bondi Beach, is usually held on the second Sunday of August and is one of the largest running events in the world. Roads along the route are closed that morning.
  • End of winter: August is usually dry, with cool mornings and increasingly mild afternoons.
  • Whale watching: humpback whales can still be seen along the coast.

Getting around

August is one of the driest months of the year in Sydney, which makes it good for coastal walks and outdoor sightseeing. Wattle trees start to flower in yellow in bushland around the city. Evenings are still cool, so bring a jacket. With the winter school holidays over, museums and attractions are quieter on weekdays.

August in other Australia cities

Warmer or drier places in August

Plan a trip to Sydney

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Monthly averages from 20 years of Open-Meteo history (2006–2025), not a forecast — see all 12 months in Sydney weather by month.