Sydney
August
Weather in Sydney for August 2025
Your guide to Sydney weather in August - trends and predictions
In general, the average temperature in Sydney at the beginning of August is 16.7 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21 °C by the end of August.
Expect significant rainfall in Sydney during August, with an average of 18 rainy days.
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13
Dry days
18
Rainy days
0
Snow days
18°/12°
Temperatures
19 km/h
Avg max wind
69 %
Avg humidity
Sydney in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  17° | 2  17° | 3 18° | ||||
| 4 18° | 5 17° | 6 15° | 7  15° | 8 16° | 9 18° | 10 18° |
| 11  17° | 12  19° | 13  15° | 14 15° | 15 16° | 16 17° | 17 19° |
| 18 16° | 19 16° | 20 19° | 21 21° | 22  20° | 23 18° | 24 20° |
| 25 21° | 26 19° | 27 20° | 28 22° | 29 20° | 30  25° | 31 20° |
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Temperatures trend during August in Sydney
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. | Sunny | 17° /10° | 3 mm | 5 | |
| 2 Aug. | Patchy rain possible | 17° /12° | 2.8 mm | 5 | |
| 3 Aug. | Sunny | 18° /10° | 0 mm | 6 | |
| 4 Aug. | Sunny | 18° /10° | 0 mm | 6 | |
| 5 Aug. | Patchy rain possible | 17° /11° | 3.1 mm | 5 | |
| 6 Aug. | Patchy rain possible | 15° /12° | 6.1 mm | 5 | |
| 7 Aug. | Moderate rain at times | 15° /10° | 0.9 mm | 5 | |
| 8 Aug. | Patchy rain possible | 16° /11° | 0.1 mm | 5 | |
| 9 Aug. | Sunny | 18° /10° | 1.5 mm | 5 | |
| 10 Aug. | Patchy rain possible | 18° /11° | 0.4 mm | 6 | |
| 11 Aug. | Overcast | 17° /11° | 0.1 mm | 5 | |
| 12 Aug. | Partly cloudy | 19° /10° | 0.2 mm | 6 | |
| 13 Aug. | Heavy rain at times | 15° /13° | 7.4 mm | 5 | |
| 14 Aug. | Moderate or heavy rain shower | 15° /13° | 27.4 mm | 4 | |
| 15 Aug. | Patchy rain possible | 16° /12° | 0.5 mm | 5 | |
| 16 Aug. | Patchy rain possible | 17° /11° | 0.8 mm | 5 | |
| 17 Aug. | Sunny | 19° /11° | 1 mm | 6 | |
| 18 Aug. | Patchy rain possible | 16° /11° | 2.8 mm | 5 | |
| 19 Aug. | Partly cloudy | 16° /11° | 0.1 mm | 5 | |
| 20 Aug. | Partly cloudy | 19° /11° | 0 mm | 6 | |
| 21 Aug. | Partly cloudy | 21° /14° | 0 mm | 6 | |
| 22 Aug. | Cloudy | 20° /12° | 0 mm | 5 | |
| 23 Aug. | Overcast | 18° /11° | 0 mm | 5 | |
| 24 Aug. | Patchy rain possible | 20° /13° | 0.9 mm | 5 | |
| 25 Aug. | Partly cloudy | 21° /14° | 0.1 mm | 6 | |
| 26 Aug. | Partly cloudy | 19° /13° | 0.2 mm | 6 | |
| 27 Aug. | Partly cloudy | 20° /12° | 0.4 mm | 6 | |
| 28 Aug. | Patchy rain possible | 22° /14° | 0.5 mm | 6 | |
| 29 Aug. | Partly cloudy | 20° /12° | 0.4 mm | 6 | |
| 30 Aug. | Thundery outbreaks possible | 25° /13° | 1.2 mm | 7 | |
| 31 Aug. | Partly cloudy | 20° /14° | 0.8 mm | 6 | |
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Important Notice
Our weather forecast for Sydney in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Sydney forecast closer to your planned date for the most up-to-date weather information.
Sydney in August - FAQ
What are the expected maximum and minimum temperatures in Sydney during August?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Sydney during August?
Moderate rainfall is anticipated in Sydney during August, with a total of 83.1 mm spread over approximately 18 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Sydney during August?
The average wind speed in Sydney during August is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
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