Horsham Weather in August
Average highs run from 14°C on August 1 to 16°C on August 31, and lows from 4°C to 5°C. Normal precipitation for the month is 47 mm over about 9 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
- 15°C
- Average low
- 5°C
- Precipitation
- 47 mm
- Reanalysis high
- 24°CAug 30, 2007
- Reanalysis low
- -1°CAug 3, 2014
- Daylight
- 10 h 17 min to 11 h 16 min
- Cloud cover
- 51%
- Humidity
- 79%
- Dew point
- 5°C
- Wind
- 16.9 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 | 14°C | 4°C | 20°C 2011 | 1°C 1997 | 36% |
| Aug 2 | 14°C | 4°C | 21°C 2011 | 0°C 2014 | 35% |
| Aug 3 | 14°C | 4°C | 23°C 2011 | -1°C 2014 | 35% |
| Aug 4 | 14°C | 5°C | 20°C 2011 | 1°C 1993 | 35% |
| Aug 5 | 14°C | 5°C | 19°C 2018 | -1°C 1994 | 36% |
| Aug 6 | 14°C | 5°C | 19°C 2009 | 1°C 1998 | 36% |
| Aug 7 | 14°C | 5°C | 18°C 2006 | 2°C 1996 | 35% |
| Aug 8 | 14°C | 5°C | 20°C 2006 | 1°C 2009 | 35% |
| Aug 9 | 14°C | 5°C | 18°C 1993 | 1°C 2003 | 36% |
| Aug 10 | 14°C | 5°C | 21°C 2002 | 0°C 2003 | 37% |
| Aug 11 | 14°C | 5°C | 20°C 2001 | 1°C 2005 | 36% |
| Aug 12 | 14°C | 5°C | 20°C 2003 | 0°C 1995 | 36% |
| Aug 13 | 14°C | 5°C | 20°C 2017 | 0°C 2008 | 36% |
| Aug 14 | 14°C | 5°C | 21°C 2017 | 0°C 2007 | 37% |
| Aug 15 | 15°C | 5°C | 22°C 2009 | 1°C 2007 | 36% |
| Aug 16 | 15°C | 5°C | 20°C 2016 | 0°C 2003 | 36% |
| Aug 17 | 15°C | 5°C | 19°C 1995 | 1°C 2004 | 35% |
| Aug 18 | 15°C | 5°C | 23°C 2016 | 0°C 2015 | 34% |
| Aug 19 | 15°C | 5°C | 20°C 1995 | 1°C 2003 | 34% |
| Aug 20 | 15°C | 4°C | 23°C 1995 | 0°C 2003 | 32% |
| Aug 21 | 15°C | 4°C | 19°C 1998 | 0°C 1994 | 31% |
| Aug 22 | 15°C | 4°C | 20°C 2012 | 2°C 1997 | 31% |
| Aug 23 | 15°C | 5°C | 20°C 2011 | 0°C 2002 | 32% |
| Aug 24 | 15°C | 5°C | 22°C 1999 | 0°C 2002 | 32% |
| Aug 25 | 16°C | 5°C | 23°C 2004 | 0°C 2002 | 31% |
| Aug 26 | 16°C | 5°C | 22°C 2007 | 1°C 2020 | 32% |
| Aug 27 | 16°C | 5°C | 24°C 2007 | 1°C 2008 | 32% |
| Aug 28 | 16°C | 5°C | 22°C 2004 | 1°C 2017 | 32% |
| Aug 29 | 16°C | 5°C | 24°C 2005 | 1°C 2015 | 31% |
| Aug 30 | 16°C | 5°C | 24°C 2007 | 0°C 2019 | 30% |
| Aug 31 | 16°C | 5°C | 24°C 1999 | 2°C 2015 | 30% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+10).
- August 1
- sunrise 7:29 AM, sunset 5:46 PM
- August 31
- sunrise 6:54 AM, sunset 6:10 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.