Perth Weather in August
Average highs run from 16°C on August 1 to 17°C on August 31, and lows from 7°C to 7°C. Normal precipitation for the month is 102 mm over about 12 wet days.
August day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
August at a glance
- Average high
- 16°C
- Average low
- 7°C
- Precipitation
- 102 mm
- Reanalysis high
- 25°CAug 28, 2019
- Reanalysis low
- 1°CAug 29, 1992
- Daylight
- 10 h 34 min to 11 h 24 min
- Cloud cover
- 46%
- Humidity
- 83%
- Dew point
- 8°C
- Wind
- 15.8 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Aug 1 | 16°C | 7°C | 20°C 2005 | 1°C 2016 | 49% |
| Aug 2 | 16°C | 7°C | 21°C 2010 | 1°C 2016 | 49% |
| Aug 3 | 16°C | 7°C | 21°C 2010 | 2°C 2000 | 49% |
| Aug 4 | 16°C | 7°C | 21°C 2010 | 2°C 2000 | 48% |
| Aug 5 | 16°C | 7°C | 21°C 2006 | 3°C 2008 | 47% |
| Aug 6 | 16°C | 7°C | 22°C 2006 | 3°C 2008 | 47% |
| Aug 7 | 16°C | 7°C | 20°C 2013 | 3°C 1999 | 47% |
| Aug 8 | 16°C | 7°C | 20°C 2009 | 4°C 1994 | 48% |
| Aug 9 | 16°C | 7°C | 21°C 1998 | 2°C 2010 | 47% |
| Aug 10 | 16°C | 7°C | 22°C 2012 | 3°C 2010 | 48% |
| Aug 11 | 16°C | 7°C | 22°C 2012 | 2°C 1997 | 47% |
| Aug 12 | 16°C | 7°C | 21°C 2019 | 2°C 2002 | 46% |
| Aug 13 | 16°C | 7°C | 20°C 2011 | 1°C 2002 | 45% |
| Aug 14 | 16°C | 7°C | 21°C 2015 | 1°C 2002 | 45% |
| Aug 15 | 16°C | 7°C | 23°C 2015 | 3°C 2004 | 44% |
| Aug 16 | 16°C | 7°C | 21°C 2014 | 2°C 2001 | 42% |
| Aug 17 | 17°C | 7°C | 21°C 2014 | 2°C 2001 | 42% |
| Aug 18 | 17°C | 7°C | 21°C 2012 | 3°C 2018 | 41% |
| Aug 19 | 17°C | 7°C | 21°C 2018 | 2°C 2010 | 40% |
| Aug 20 | 17°C | 7°C | 21°C 2012 | 3°C 1997 | 40% |
| Aug 21 | 17°C | 7°C | 22°C 2011 | 1°C 2000 | 40% |
| Aug 22 | 17°C | 7°C | 21°C 2019 | 3°C 2000 | 40% |
| Aug 23 | 17°C | 7°C | 21°C 2013 | 2°C 2016 | 39% |
| Aug 24 | 17°C | 7°C | 22°C 1994 | 2°C 2016 | 40% |
| Aug 25 | 17°C | 7°C | 22°C 1994 | 2°C 2001 | 39% |
| Aug 26 | 17°C | 7°C | 23°C 1998 | 4°C 2003 | 40% |
| Aug 27 | 17°C | 7°C | 22°C 2020 | 3°C 2003 | 40% |
| Aug 28 | 17°C | 7°C | 25°C 2019 | 1°C 1992 | 41% |
| Aug 29 | 17°C | 7°C | 24°C 2006 | 1°C 1992 | 41% |
| Aug 30 | 17°C | 7°C | 21°C 2006 | 2°C 1995 | 42% |
| Aug 31 | 17°C | 7°C | 21°C 2012 | 2°C 1993 | 44% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+8).
- August 1
- sunrise 7:06 AM, sunset 5:40 PM
- August 31
- sunrise 6:35 AM, sunset 5:59 PM
Other months
Sources
Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.