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 | 30.6°C | 2018-04-19 | 1 | 19.40°C | 2018-04-19 | 1 | 31.1°C | 2018-04-19 |
| 2 | 29.6°C | 2018-04-20 | 2 | 19.00°C | 2018-04-20 | 2 | 30.7°C | 2018-04-20 |
| 3 | 28.7°C | 2020-04-23 | 3 | 18.50°C | 2018-04-21 | 3 | 29.0°C | 2020-04-23 |
| 4 | 28.0°C | 2019-04-20 | 4 | 18.00°C | 2011-04-23 | 4 | 28.1°C | 2020-04-11 |
| 5 | 27.9°C | 2020-04-11 | 5 | 17.70°C | 2011-04-21 | 5 | 28.0°C | 2018-04-21 |
| 6 | 27.6°C | 2019-04-21 | 6 | 17.60°C | 2011-04-24 | 6 | 27.8°C | 2025-04-30 |
| 7 | 27.6°C | 2025-04-30 | 7 | 17.20°C | 2019-04-20 | 7 | 27.8°C | 2020-04-09 |
| 8 | 27.5°C | 2019-04-22 | 8 | 17.10°C | 2025-04-30 | 8 | 27.7°C | 2015-04-15 |
| 9 | 27.5°C | 2015-04-15 | 9 | 17.10°C | 2011-04-22 | 9 | 27.7°C | 2019-04-20 |
| 10 | 27.1°C | 2020-04-09 | 10 | 17.00°C | 2020-04-11 | 10 | 27.5°C | 2020-04-08 |
| 11 | 26.8°C | 2019-04-19 | 11 | 16.90°C | 2018-04-22 | 11 | 27.4°C | 2019-04-21 |
| 12 | 26.8°C | 2020-04-10 | 12 | 16.80°C | 2020-04-10 | 12 | 27.2°C | 2019-04-22 |
| 13 | 26.8°C | 2018-04-21 | 13 | 16.70°C | 2018-04-18 | 13 | 26.9°C | 2020-04-10 |
| 14 | 26.3°C | 2020-04-08 | 14 | 16.60°C | 2019-04-22 | 14 | 26.7°C | 2019-04-19 |
| 15 | 26.3°C | 2011-04-23 | 15 | 16.40°C | 2020-04-23 | 15 | 26.3°C | 2018-04-18 |
| 16 | 26.1°C | 2018-04-18 | 16 | 16.40°C | 2011-04-20 | 16 | 26.0°C | 2011-04-23 |
| 17 | 26.0°C | 2020-04-12 | 17 | 16.30°C | 2020-04-12 | 17 | 26.0°C | 2020-04-24 |
| 18 | 25.9°C | 2020-04-24 | 18 | 16.20°C | 2019-04-19 | 18 | 25.9°C | 2020-04-12 |
| 19 | 25.2°C | 2011-04-22 | 19 | 16.20°C | 2019-04-21 | 19 | 25.4°C | 2025-04-28 |
| 20 | 25.2°C | 2025-04-29 | 20 | 16.10°C | 2015-04-15 | 20 | 25.3°C | 2018-04-22 |
| 21 | 25.1°C | 2017-04-09 | 21 | 15.80°C | 2020-04-09 | 21 | 25.1°C | 2025-04-29 |
| 22 | 25.1°C | 2007-04-15 | 22 | 15.60°C | 2025-04-29 | 22 | 25.1°C | 2011-04-24 |
| 23 | 25.1°C | 2017-04-15 | 23 | 15.60°C | 2020-04-08 | 23 | 25.1°C | 2011-04-22 |
| 24 | 25.1°C | 2025-04-28 | 24 | 15.50°C | 2011-04-25 | 24 | 24.9°C | 2017-04-15 |
| 25 | 24.8°C | 2011-04-20 | 25 | 15.40°C | 2011-04-19 | 25 | 24.9°C | 2020-04-27 |
| 26 | 24.8°C | 2020-04-26 | 26 | 15.30°C | 2019-04-23 | 26 | 24.9°C | 2015-04-14 |
| 27 | 24.5°C | 2011-04-21 | 27 | 15.30°C | 2013-04-25 | 27 | 24.9°C | 2017-04-09 |
| 28 | 24.4°C | 2003-04-16 | 28 | 15.20°C | 2020-04-24 | 28 | 24.7°C | 2011-04-20 |
| 29 | 24.4°C | 2025-04-11 | 29 | 15.00°C | 2025-04-28 | 29 | 24.6°C | 2022-04-15 |
| 30 | 24.3°C | 2020-04-27 | 30 | 15.00°C | 2013-04-23 | 30 | 24.3°C | 2011-04-21 |
| Low temperature | Low average temperature | Low apparent temperature | ||||||
| 1 | -6.5°C | 2003-04-09 | 1 | 1.20°C | 2013-04-04 | 1 | -24.8°C | 2021-04-06 |
| 2 | -5.8°C | 2003-04-08 | 2 | 1.50°C | 2013-04-03 | 2 | -20.0°C | 2021-04-16 |
| 3 | -5.7°C | 2003-04-11 | 3 | 2.00°C | 2010-04-01 | 3 | -7.1°C | 2022-04-03 |
| 4 | -5.3°C | 2003-04-10 | 4 | 2.40°C | 2013-04-01 | 4 | -6.6°C | 2021-04-07 |
| 5 | -4.9°C | 2003-04-12 | 5 | 2.60°C | 2021-04-07 | 5 | -6.4°C | 2013-04-07 |
| 6 | -4.4°C | 2022-04-03 | 6 | 3.00°C | 2021-04-06 | 6 | -5.8°C | 2021-04-13 |
| 7 | -4.4°C | 2000-04-08 | 7 | 3.10°C | 2013-04-05 | 7 | -5.0°C | 2021-04-12 |
| 8 | -4.1°C | 2008-04-08 | 8 | 3.10°C | 2022-04-03 | 8 | -5.0°C | 2013-04-02 |
| 9 | -4.0°C | 2003-04-07 | 9 | 3.30°C | 2022-04-02 | 9 | -4.7°C | 2020-04-01 |
| 10 | -3.8°C | 2000-04-11 | 10 | 3.50°C | 2013-04-02 | 10 | -4.6°C | 2017-04-25 |
| 11 | -3.8°C | 2000-04-07 | 11 | 3.60°C | 2019-04-03 | 11 | -4.6°C | 2018-04-30 |
| 12 | -3.6°C | 2013-04-07 | 12 | 3.60°C | 2022-04-01 | 12 | -4.4°C | 2013-04-03 |
| 13 | -3.5°C | 2003-04-01 | 13 | 3.80°C | 2021-04-12 | 13 | -4.4°C | 2021-04-05 |
| 14 | -3.3°C | 2006-04-06 | 14 | 3.90°C | 2013-04-07 | 14 | -4.3°C | 2022-04-02 |
| 15 | -3.2°C | 2008-04-09 | 15 | 4.40°C | 2021-04-13 | 15 | -4.2°C | 2016-04-26 |
| 16 | -3.1°C | 2012-04-06 | 16 | 4.70°C | 2020-04-01 | 16 | -4.2°C | 2015-04-01 |
| 17 | -3.1°C | 2021-04-13 | 17 | 4.80°C | 2021-04-11 | 17 | -4.2°C | 2013-04-21 |
| 18 | -2.9°C | 2002-04-17 | 18 | 4.80°C | 2013-04-06 | 18 | -4.0°C | 2021-04-17 |
| 19 | -2.8°C | 2002-04-14 | 19 | 4.90°C | 2019-04-14 | 19 | -4.0°C | 2013-04-04 |
| 20 | -2.6°C | 2002-04-16 | 20 | 5.10°C | 2019-04-04 | 20 | -4.0°C | 2021-04-11 |
| 21 | -2.5°C | 2002-04-20 | 21 | 5.20°C | 2018-04-30 | 21 | -3.9°C | 2023-04-04 |
| 22 | -2.5°C | 2003-04-22 | 22 | 5.30°C | 2019-04-13 | 22 | -3.8°C | 2021-04-18 |
| 23 | -2.4°C | 2006-04-11 | 23 | 5.30°C | 2018-04-01 | 23 | -3.8°C | 2013-04-05 |
| 24 | -2.4°C | 2021-04-12 | 24 | 5.30°C | 2021-04-15 | 24 | -3.7°C | 2019-04-12 |
| 25 | -2.2°C | 2001-04-17 | 25 | 5.40°C | 2016-04-26 | 25 | -3.6°C | 2019-04-11 |
| 26 | -2.1°C | 2008-04-10 | 26 | 5.40°C | 2019-04-02 | 26 | -3.6°C | 2019-04-14 |
| 27 | -2.1°C | 2020-04-01 | 27 | 5.60°C | 2022-04-08 | 27 | -3.6°C | 2013-04-28 |
| 28 | -2.1°C | 2021-04-07 | 28 | 5.70°C | 2012-04-16 | 28 | -3.6°C | 2019-04-03 |
| 29 | -2.1°C | 2001-04-19 | 29 | 5.80°C | 2017-04-26 | 29 | -3.6°C | 2022-04-10 |
| 30 | -1.9°C | 2005-04-17 | 30 | 5.90°C | 2019-04-12 | 30 | -3.6°C | 2016-04-28 |
| Lowest maximum temperature | Highest minimum temperature | |||||||
| 1 | 3.0°C | 2013-04-04 | 1 | 13.5°C | 2025-04-20 | |||
| 2 | 3.5°C | 2008-04-06 | 2 | 12.8°C | 2024-04-06 | |||
| 3 | 3.8°C | 2013-04-03 | 3 | 12.6°C | 2011-04-24 | |||
| 4 | 5.0°C | 2000-04-04 | 4 | 11.9°C | 2011-04-21 | |||
| 5 | 6.4°C | 2021-04-07 | 5 | 11.9°C | 2018-04-22 | |||
| 6 | 6.7°C | 2025-04-09 | 6 | 11.8°C | 2014-04-06 | |||
| 7 | 6.9°C | 2013-04-05 | 7 | 11.6°C | 2024-04-05 | |||
| 8 | 7.2°C | 2000-04-11 | 8 | 11.5°C | 2005-04-30 | |||
| 9 | 7.4°C | 2005-04-08 | 9 | 11.3°C | 2019-04-23 | |||
| 10 | 7.4°C | 2013-04-09 | 10 | 11.3°C | 2018-04-21 | |||
| 11 | 7.6°C | 2003-04-09 | 11 | 11.3°C | 2009-04-16 | |||
| 12 | 7.6°C | 2018-04-30 | 12 | 11.2°C | 2024-04-11 | |||
| 13 | 7.6°C | 2013-04-01 | 13 | 11.1°C | 2011-04-30 | |||
| 14 | 7.6°C | 2000-04-12 | 14 | 11.1°C | 2003-04-14 | |||
| 15 | 7.9°C | 2000-04-13 | 15 | 10.9°C | 2014-04-02 | |||
| 16 | 7.9°C | 2008-04-07 | 16 | 10.8°C | 2024-04-13 | |||
| 17 | 7.9°C | 2003-04-10 | 17 | 10.8°C | 2011-04-25 | |||
| 18 | 7.9°C | 2021-04-10 | 18 | 10.6°C | 2025-04-19 | |||
| 19 | 8.1°C | 2018-04-01 | 19 | 10.4°C | 2007-04-24 | |||
| 20 | 8.3°C | 2016-04-16 | 20 | 10.4°C | 2015-04-25 | |||
| 21 | 8.3°C | 2001-04-20 | 21 | 10.4°C | 2007-04-25 | |||
| 22 | 8.3°C | 2003-04-08 | 22 | 10.3°C | 2020-04-10 | |||
| 23 | 8.3°C | 2018-04-29 | 23 | 10.3°C | 2014-04-03 | |||
| 24 | 8.5°C | 2010-04-02 | 24 | 10.2°C | 2000-04-20 | |||
| 25 | 8.5°C | 2003-04-11 | 25 | 10.1°C | 2004-04-28 | |||
| 26 | 8.6°C | 2022-04-01 | 26 | 10.0°C | 2022-04-05 | |||
| 27 | 8.6°C | 2001-04-18 | 27 | 9.9°C | 2013-04-14 | |||
| 28 | 8.7°C | 2004-04-29 | 28 | 9.8°C | 2000-04-25 | |||
| 29 | 8.7°C | 2000-04-15 | 29 | 9.8°C | 2018-04-24 | |||
| 30 | 8.8°C | 2012-04-23 | 30 | 9.8°C | 2001-04-01 | |||
Note that apparent temperatures only recorded from 6 January 2011