Hornsby
August
Weather in Hornsby for August 2025
Your guide to Hornsby weather in August - trends and predictions
In general, the average temperature in Hornsby at the beginning of August is 17.3 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 22.4 °C by the end of August.
Expect significant rainfall in Hornsby during August, with an average of 16 rainy days.
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15
Dry days
16
Rainy days
0
Snow days
18°/10°
Temperatures
16 km/h
Avg max wind
68 %
Avg humidity
Hornsby in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  18° | 2  17° | 3 19° | ||||
| 4 19° | 5 17° | 6 15° | 7  16° | 8 17° | 9 18° | 10 19° |
| 11  18° | 12 20° | 13  14° | 14 14° | 15 17° | 16 18° | 17 19° |
| 18 17° | 19 16° | 20 21° | 21 22° | 22  22° | 23  19° | 24 22° |
| 25 22° | 26 21° | 27 22° | 28 23° | 29 22° | 30  26° | 31 21° |
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Temperatures trend during August in Hornsby
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 | 18° /7° | 1.5 mm | 6 | |
| 2 Aug. | Patchy rain possible | 17° /10° | 1.8 mm | 5 | |
| 3 Aug. | Sunny | 19° /7° | 0 mm | 7 | |
| 4 Aug. | Sunny | 19° /8° | 0 mm | 6 | |
| 5 Aug. | Patchy rain possible | 17° /9° | 2.6 mm | 5 | |
| 6 Aug. | Patchy rain possible | 15° /10° | 5.6 mm | 5 | |
| 7 Aug. | Moderate rain at times | 16° /8° | 0.9 mm | 6 | |
| 8 Aug. | Patchy rain possible | 17° /9° | 0.1 mm | 6 | |
| 9 Aug. | Sunny | 18° /9° | 1.6 mm | 6 | |
| 10 Aug. | Patchy rain possible | 19° /9° | 0.4 mm | 6 | |
| 11 Aug. | Partly cloudy | 18° /8° | 0.1 mm | 6 | |
| 12 Aug. | Partly cloudy | 20° /8° | 0.2 mm | 6 | |
| 13 Aug. | Heavy rain at times | 14° /12° | 6.6 mm | 5 | |
| 14 Aug. | Moderate or heavy rain shower | 14° /11° | 23.2 mm | 4 | |
| 15 Aug. | Patchy rain possible | 17° /10° | 0.5 mm | 5 | |
| 16 Aug. | Patchy rain possible | 18° /10° | 0.7 mm | 6 | |
| 17 Aug. | Sunny | 19° /9° | 1.1 mm | 6 | |
| 18 Aug. | Patchy rain possible | 17° /10° | 2.6 mm | 5 | |
| 19 Aug. | Partly cloudy | 16° /9° | 0.1 mm | 6 | |
| 20 Aug. | Partly cloudy | 21° /9° | 0 mm | 7 | |
| 21 Aug. | Partly cloudy | 22° /12° | 0 mm | 7 | |
| 22 Aug. | Cloudy | 22° /11° | 0 mm | 6 | |
| 23 Aug. | Overcast | 19° /10° | 0 mm | 6 | |
| 24 Aug. | Patchy rain possible | 22° /11° | 0.9 mm | 6 | |
| 25 Aug. | Partly cloudy | 22° /12° | 0.1 mm | 7 | |
| 26 Aug. | Cloudy | 21° /11° | 0.1 mm | 6 | |
| 27 Aug. | Partly cloudy | 22° /11° | 0.2 mm | 7 | |
| 28 Aug. | Light rain shower | 23° /13° | 1.4 mm | 6 | |
| 29 Aug. | Partly cloudy | 22° /11° | 0.1 mm | 7 | |
| 30 Aug. | Patchy light rain with thunder | 26° /11° | 1.2 mm | 7 | |
| 31 Aug. | Partly cloudy | 21° /12° | 0.3 mm | 7 | |
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Important Notice
Our weather forecast for Hornsby 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 Hornsby forecast closer to your planned date for the most up-to-date weather information.
Hornsby in August - FAQ
What are the expected maximum and minimum temperatures in Hornsby during August?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Hornsby during August?
Moderate rainfall is anticipated in Hornsby during August, with a total of 77.2 mm spread over approximately 16 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Hornsby during August?
The average wind speed in Hornsby during August is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
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