Records are shown as new if they have been set 1 month ago or less. The records shown are the top 10 in each category, but if you would like to change the number then click on one of the numbers below.
Pre 2009, records are from the Met Office official weather station in Redhill (2000-2003) and Charlwood (2004-2008) and only include High Temp, Low Temp and Daily rain
You can change the month by clicking on the relevant buttons below
| High temperature | High average temperature | High apparent temperature | ||||||
|---|---|---|---|---|---|---|---|---|
| 1 | 35.6°C | 2003-08-10 | 1 | 28.00°C | 2020-08-11 | 1 | 39.3°C | 2018-08-03 |
| 2 | 34.6°C | 2018-08-06 | 2 | 27.50°C | 2020-08-12 | 2 | 38.9°C | 2016-08-24 |
| 3 | 34.5°C | 2019-08-27 | 3 | 27.10°C | 2020-08-10 | 3 | 38.6°C | 2020-08-07 |
| 4 | 34.5°C | 2019-08-25 | 4 | 25.90°C | 2020-08-08 | 4 | 38.3°C | 2013-08-01 |
| 5 | 34.4°C | 2016-08-24 | 5 | 25.70°C | 2018-08-03 | 5 | 38.0°C | 2019-08-27 |
| 6 | 34.3°C | 2020-08-11 | 6 | 25.30°C | 2022-08-13 | 6 | 37.4°C | 2020-08-09 |
| 7 | 34.3°C | 2013-08-01 | 7 | 25.20°C | 2022-08-14 | 7 | 37.1°C | 2024-08-12 |
| 8 | 34.3°C | 2019-08-26 | 8 | 24.90°C | 2020-08-09 | 8 | 37.1°C | 2020-08-08 |
| 9 | 34.1°C | 2022-08-13 | 9 | 24.90°C | 2025-08-12 | 9 | 37.0°C | 2018-08-06 |
| 10 | 33.8°C | 2020-08-09 | 10 | 24.90°C | 2022-08-12 | 10 | 37.0°C | 2019-08-25 |
| 11 | 33.6°C | 2020-08-12 | 11 | 24.90°C | 2018-08-04 | 11 | 36.9°C | 2019-08-26 |
| 12 | 33.6°C | 2022-08-12 | 12 | 24.70°C | 2020-08-07 | 12 | 36.1°C | 2018-08-07 |
| 13 | 33.5°C | 2018-08-07 | 13 | 24.20°C | 2016-08-24 | 13 | 36.0°C | 2020-08-13 |
| 14 | 33.5°C | 2025-08-12 | 14 | 24.10°C | 2024-08-12 | 14 | 35.8°C | 2018-08-02 |
| 15 | 33.3°C | 2003-08-06 | 15 | 24.00°C | 2013-08-01 | 15 | 35.8°C | 2012-08-18 |
| 16 | 33.3°C | 2018-08-05 | 16 | 24.00°C | 2019-08-27 | 16 | 35.7°C | 2018-08-05 |
| 17 | 33.3°C | 2003-08-09 | 17 | 23.80°C | 2018-08-06 | 17 | 35.1°C | 2025-08-12 |
| 18 | 33.2°C | 2022-08-14 | 18 | 23.70°C | 2022-08-11 | 18 | 35.1°C | 2020-08-11 |
| 19 | 33.1°C | 2020-08-08 | 19 | 23.70°C | 2016-08-25 | 19 | 35.0°C | 2024-08-01 |
| 20 | 33.0°C | 2022-08-11 | 20 | 23.30°C | 2018-08-05 | 20 | 35.0°C | 2020-08-10 |
| 21 | 32.8°C | 2018-08-04 | 21 | 23.30°C | 2018-08-07 | 21 | 34.8°C | 2012-08-19 |
| 22 | 32.8°C | 2018-08-02 | 22 | 23.20°C | 2012-08-18 | 22 | 34.8°C | 2020-08-06 |
| 23 | 32.3°C | 2020-08-06 | 23 | 23.10°C | 2020-08-13 | 23 | 34.8°C | 2018-08-04 |
| 24 | 32.3°C | 2018-08-03 | 24 | 23.00°C | 2019-08-26 | 24 | 34.7°C | 2020-08-12 |
| 25 | 32.3°C | 2020-08-10 | 25 | 22.90°C | 2012-08-19 | 25 | 34.4°C | 2022-08-13 |
| 26 | 32.2°C | 2003-08-11 | 26 | 22.90°C | 2020-08-06 | 26 | 34.2°C | 2016-08-25 |
| 27 | 32.1°C | 2012-08-18 | 27 | 22.60°C | 2025-08-15 | 27 | 34.1°C | 2015-08-22 |
| 28 | 32.1°C | 2024-08-12 | 28 | 22.30°C | 2019-08-25 | 28 | 34.1°C | 2015-08-23 |
| 29 | 31.9°C | 2020-08-13 | 29 | 22.30°C | 2024-08-11 | 29 | 34.0°C | 2022-08-12 |
| 30 | 31.7°C | 2003-08-05 | 30 | 22.20°C | 2022-08-15 | 30 | 33.9°C | 2022-08-11 |
| Low temperature | Low average temperature | Low apparent temperature | ||||||
| 1 | 2.8°C | 2001-08-29 | 1 | 12.00°C | 2010-08-31 | 1 | 4.1°C | 2014-08-21 |
| 2 | 3.9°C | 2000-08-31 | 2 | 12.20°C | 2020-08-29 | 2 | 4.7°C | 2014-08-24 |
| 3 | 4.2°C | 2000-08-21 | 3 | 12.30°C | 2014-08-21 | 3 | 4.8°C | 2012-08-31 |
| 4 | 4.7°C | 2000-08-22 | 4 | 12.80°C | 2020-08-31 | 4 | 5.1°C | 2020-08-31 |
| 5 | 4.7°C | 2001-08-28 | 5 | 13.00°C | 2012-08-31 | 5 | 5.3°C | 2014-08-20 |
| 6 | 4.8°C | 2003-08-31 | 6 | 13.10°C | 2017-08-31 | 6 | 5.6°C | 2017-08-31 |
| 7 | 5.0°C | 2000-08-29 | 7 | 13.10°C | 2023-08-31 | 7 | 5.9°C | 2020-08-30 |
| 8 | 5.0°C | 2010-08-31 | 8 | 13.10°C | 2014-08-19 | 8 | 5.9°C | 2020-08-29 |
| 9 | 5.3°C | 2001-08-11 | 9 | 13.10°C | 2014-08-20 | 9 | 5.9°C | 2018-08-25 |
| 10 | 5.8°C | 2014-08-21 | 10 | 13.10°C | 2011-08-29 | 10 | 6.0°C | 2025-08-22 |
| 11 | 6.1°C | 2008-08-15 | 11 | 13.20°C | 2017-08-30 | 11 | 6.1°C | 2018-08-11 |
| 12 | 6.1°C | 2001-08-21 | 12 | 13.20°C | 2018-08-10 | 12 | 6.4°C | 2014-08-19 |
| 13 | 6.1°C | 2000-08-28 | 13 | 13.20°C | 2010-08-25 | 13 | 6.5°C | 2015-08-01 |
| 14 | 6.2°C | 2012-08-31 | 14 | 13.30°C | 2018-08-26 | 14 | 6.5°C | 2014-08-18 |
| 15 | 6.3°C | 2001-08-04 | 15 | 13.30°C | 2010-08-30 | 15 | 6.6°C | 2015-08-28 |
| 16 | 6.3°C | 2007-08-13 | 16 | 13.30°C | 2018-08-25 | 16 | 6.6°C | 2020-08-28 |
| 17 | 6.3°C | 2005-08-08 | 17 | 13.40°C | 2020-08-30 | 17 | 6.8°C | 2024-08-25 |
| 18 | 6.3°C | 2003-08-20 | 18 | 13.40°C | 2014-08-24 | 18 | 7.0°C | 2018-08-10 |
| 19 | 6.4°C | 2014-08-24 | 19 | 13.40°C | 2017-08-09 | 19 | 7.1°C | 2014-08-23 |
| 20 | 6.4°C | 2020-08-31 | 20 | 13.50°C | 2010-08-27 | 20 | 7.2°C | 2019-08-21 |
| 21 | 6.4°C | 2000-08-02 | 21 | 13.60°C | 2009-08-30 | 21 | 7.2°C | 2017-08-06 |
| 22 | 6.6°C | 2001-08-17 | 22 | 13.70°C | 2019-08-12 | 22 | 7.2°C | 2017-08-11 |
| 23 | 6.7°C | 2017-08-31 | 23 | 13.80°C | 2010-08-13 | 23 | 7.3°C | 2019-08-13 |
| 24 | 6.7°C | 2014-08-20 | 24 | 13.90°C | 2011-08-28 | 24 | 7.3°C | 2017-08-20 |
| 25 | 6.8°C | 2007-08-01 | 25 | 13.90°C | 2023-08-08 | 25 | 7.4°C | 2018-08-17 |
| 26 | 6.8°C | 2005-08-28 | 26 | 14.00°C | 2015-08-25 | 26 | 7.4°C | 2019-08-20 |
| 27 | 6.9°C | 2000-08-20 | 27 | 14.00°C | 2011-08-30 | 27 | 7.7°C | 2016-08-10 |
| 28 | 6.9°C | 2007-08-10 | 28 | 14.00°C | 2014-08-23 | 28 | 7.9°C | 2014-08-10 |
| 29 | 7.0°C | 2025-08-22 | 29 | 14.10°C | 2015-08-24 | 29 | 8.0°C | 2017-08-14 |
| 30 | 7.1°C | 2018-08-11 | 30 | 14.10°C | 2023-08-05 | 30 | 8.1°C | 2018-08-26 |
| Lowest maximum temperature | Highest minimum temperature | |||||||
| 1 | 15.3°C | 2007-08-20 | 1 | 19.8°C | 2020-08-11 | |||
| 2 | 15.5°C | 2017-08-09 | 2 | 19.7°C | 2016-08-25 | |||
| 3 | 15.6°C | 2003-08-29 | 3 | 19.6°C | 2018-08-04 | |||
| 4 | 15.8°C | 2010-08-27 | 4 | 19.6°C | 2020-08-12 | |||
| 5 | 15.9°C | 2007-08-22 | 5 | 19.5°C | 2020-08-08 | |||
| 6 | 16.0°C | 2011-08-23 | 6 | 19.4°C | 2020-08-10 | |||
| 7 | 16.1°C | 2015-08-31 | 7 | 18.9°C | 2020-08-13 | |||
| 8 | 16.1°C | 2011-08-30 | 8 | 18.8°C | 2003-08-11 | |||
| 9 | 16.2°C | 2020-08-29 | 9 | 18.7°C | 2024-08-12 | |||
| 10 | 16.2°C | 2023-08-31 | 10 | 18.5°C | 2004-08-09 | |||
| 11 | 16.5°C | 2023-08-08 | 11 | 18.4°C | 2025-08-12 | |||
| 12 | 16.7°C | 2014-08-25 | 12 | 18.3°C | 2022-08-13 | |||
| 13 | 16.7°C | 2019-08-14 | 13 | 18.1°C | 2010-08-21 | |||
| 14 | 16.7°C | 2007-08-23 | 14 | 18.1°C | 2020-08-06 | |||
| 15 | 16.8°C | 2003-08-28 | 15 | 17.8°C | 2022-08-12 | |||
| 16 | 16.8°C | 2007-08-21 | 16 | 17.8°C | 2016-08-26 | |||
| 17 | 16.8°C | 2002-08-26 | 17 | 17.6°C | 2022-08-24 | |||
| 18 | 16.9°C | 2005-08-24 | 18 | 17.6°C | 2022-08-23 | |||
| 19 | 16.9°C | 2001-08-09 | 19 | 17.6°C | 2003-08-12 | |||
| 20 | 17.0°C | 2010-08-25 | 20 | 17.6°C | 2020-08-14 | |||
| 21 | 17.0°C | 2014-08-26 | 21 | 17.5°C | 2004-08-10 | |||
| 22 | 17.0°C | 2010-08-13 | 22 | 17.4°C | 2018-08-20 | |||
| 23 | 17.1°C | 2015-08-25 | 23 | 17.4°C | 2020-08-09 | |||
| 24 | 17.1°C | 2021-08-30 | 24 | 17.4°C | 2020-08-15 | |||
| 25 | 17.2°C | 2011-08-29 | 25 | 17.3°C | 2023-08-18 | |||
| 26 | 17.2°C | 2010-08-14 | 26 | 17.3°C | 2011-08-02 | |||
| 27 | 17.3°C | 2018-08-26 | 27 | 17.3°C | 2018-08-03 | |||
| 28 | 17.4°C | 2015-08-24 | 28 | 17.2°C | 2024-08-01 | |||
| 29 | 17.5°C | 2006-08-12 | 29 | 17.2°C | 2022-08-15 | |||
| 30 | 17.5°C | 2005-08-19 | 30 | 17.1°C | 2010-08-22 | |||
Note that apparent temperatures only recorded from 6 January 2011