Perth
August
Weather in Perth for August 2025
Your guide to Perth weather in August - trends and predictions
In general, the average temperature in Perth at the beginning of August is 17.4 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 20 °C by the end of August.
With an average of 3 rainy days, Perth experiences minimal rainfall in August, ensuring that most days remain pleasantly dry.
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28
Dry days
3
Rainy days
0
Snow days
19°/9°
Temperatures
20 km/h
Avg max wind
71 %
Avg humidity
Perth in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  19° | 2  16° | 3  15° | ||||
| 4 16° | 5 18° | 6  19° | 7 19° | 8 18° | 9  18° | 10  19° |
| 11 17° | 12 17° | 13 18° | 14 17° | 15 18° | 16 17° | 17  15° |
| 18 17° | 19 17° | 20 17° | 21 17° | 22 18° | 23 17° | 24 18° |
| 25 21° | 26  21° | 27 19° | 28 19° | 29 19° | 30 19° | 31 22° |
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Temperatures trend during August in Perth
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 | 19° /10° | 2.3 mm | 5 | |
| 2 Aug. | Moderate or heavy rain shower | 16° /8° | 11.3 mm | 5 | |
| 3 Aug. | Overcast | 15° /7° | 0.5 mm | 5 | |
| 4 Aug. | Sunny | 16° /6° | 0 mm | 6 | |
| 5 Aug. | Overcast | 18° /7° | 0 mm | 5 | |
| 6 Aug. | Partly cloudy | 19° /9° | 2.3 mm | 6 | |
| 7 Aug. | Partly cloudy | 19° /13° | 11.8 mm | 6 | |
| 8 Aug. | Moderate or heavy rain shower | 18° /13° | 6.2 mm | 5 | |
| 9 Aug. | Cloudy | 18° /10° | 0 mm | 5 | |
| 10 Aug. | Heavy rain at times | 19° /9° | 3.4 mm | 6 | |
| 11 Aug. | Overcast | 17° /12° | 6.3 mm | 5 | |
| 12 Aug. | Overcast | 17° /11° | 1.5 mm | 5 | |
| 13 Aug. | Sunny | 18° /11° | 3.7 mm | 5 | |
| 14 Aug. | Overcast | 17° /11° | 3.2 mm | 5 | |
| 15 Aug. | Moderate or heavy rain shower | 18° /12° | 9.2 mm | 5 | |
| 16 Aug. | Overcast | 17° /9° | 3.9 mm | 5 | |
| 17 Aug. | Patchy rain possible | 15° /10° | 16.4 mm | 4 | |
| 18 Aug. | Sunny | 17° /10° | 4.5 mm | 5 | |
| 19 Aug. | Sunny | 17° /11° | 1.7 mm | 5 | |
| 20 Aug. | Patchy rain possible | 17° /11° | 1.6 mm | 5 | |
| 21 Aug. | Overcast | 17° /9° | 0.5 mm | 5 | |
| 22 Aug. | Partly cloudy | 18° /10° | 4.9 mm | 5 | |
| 23 Aug. | Partly cloudy | 17° /10° | 4.7 mm | 5 | |
| 24 Aug. | Sunny | 18° /10° | 8.5 mm | 6 | |
| 25 Aug. | Overcast | 21° /11° | 0.3 mm | 5 | |
| 26 Aug. | Mist | 21° /11° | 0.1 mm | 5 | |
| 27 Aug. | Partly cloudy | 19° /12° | 0.8 mm | 6 | |
| 28 Aug. | Cloudy | 19° /10° | 0.2 mm | 5 | |
| 29 Aug. | Sunny | 19° /11° | 2.1 mm | 5 | |
| 30 Aug. | Sunny | 19° /10° | 1.7 mm | 6 | |
| 31 Aug. | Sunny | 22° /12° | 0.6 mm | 6 | |
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Important Notice
Our weather forecast for Perth 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 Perth forecast closer to your planned date for the most up-to-date weather information.
Perth in August - FAQ
What are the expected maximum and minimum temperatures in Perth during August?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Perth during August?
Significant rainfall exceeding 228.3 mm is expected in Perth during August, occurring over more than 3 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Perth during August?
The average wind speed in Perth during August is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
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