Avg high
19°C
Avg low
9°C
Rainfall
59 mm
Rain days
6.8
Sunshine
9.1 h/day
Daylight
10.7 h
What to pack for Sydney in August
- long sleeves and a warm layer
- a medium jacket
- a packable rain layer
Humidity averages 70%; max daily wind around 20 km/h.
How August compares
Best months in Sydney: April–May & August–September & December. See the full best time to visit Sydney guide.
Sydney in August: the details
In August, Sydney sees average daytime highs of 19°C (65°F) and overnight lows of 9°C (47°F). Rainfall totals roughly 59 mm across 6.8 rainy days, and the sun shines about 9.1 hours per day with 10.7 hours of daylight mid-month. Relative humidity averages 70%.
These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Sydney, Australia (-33.87, 151.21) — see our methodology. Actual conditions vary year to year.
Where should you go next month?
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