Records are shown as new if they have been set 4 weeks 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
| High temperature | High average temperature | High apparent temperature | ||||||
|---|---|---|---|---|---|---|---|---|
| 1 | 38.6°C | 2022-07-19 | 1 | 28.00°C | 2020-08-11 | 1 | 39.5°C | 2022-07-19 |
| 2 | 36.4°C | 2022-07-18 | 2 | 27.90°C | 2022-07-19 | 2 | 39.3°C | 2018-08-03 |
| 3 | 36.3°C | 2006-07-19 | 3 | 27.50°C | 2020-08-12 | 3 | 39.1°C | 2018-07-26 |
| 4 | 35.6°C | 2003-08-10 | 4 | 27.10°C | 2020-08-10 | 4 | 38.9°C | 2016-08-24 |
| 5 | 35.1°C | 2015-07-01 | 5 | 27.00°C | 2019-07-25 | 5 | 38.6°C | 2020-08-07 |
| 6 | 34.6°C | 2018-08-06 | 6 | 26.60°C | 2018-07-26 | 6 | 38.4°C | 2015-07-01 |
| 7 | 34.5°C | 2019-08-27 | 7 | 26.60°C | 2015-07-01 | 7 | 38.3°C | 2013-08-01 |
| 8 | 34.5°C | 2019-08-25 | 8 | 26.30°C | 2025-07-01 | 8 | 38.2°C | 2023-09-06 |
| 9 | 34.4°C | 2016-08-24 | 9 | 26.00°C | 2022-07-18 | 9 | 38.0°C | 2019-08-27 |
| 10 | 34.3°C | 2018-07-25 | 10 | 25.90°C | 2020-06-25 | 10 | 37.7°C | 2017-06-21 |
| Low temperature | Low average temperature | Low apparent temperature | ||||||
| 1 | -10.1°C | 2002-01-01 | 1 | -4.20°C | 2018-02-28 | 1 | -24.8°C | 2021-04-06 |
| 2 | -9.9°C | 2003-01-12 | 2 | -4.10°C | 2009-01-10 | 2 | -22.6°C | 2021-03-15 |
| 3 | -9.4°C | 2000-01-27 | 3 | -3.90°C | 2012-02-11 | 3 | -22.3°C | 2021-03-14 |
| 4 | -9.3°C | 2000-12-31 | 4 | -3.90°C | 2010-12-03 | 4 | -21.6°C | 2021-03-07 |
| 5 | -8.9°C | 2000-12-29 | 5 | -3.50°C | 2010-12-20 | 5 | -20.0°C | 2021-04-16 |
| 6 | -8.7°C | 2000-12-30 | 6 | -3.40°C | 2010-12-17 | 6 | -19.0°C | 2021-03-08 |
| 7 | -8.6°C | 2002-01-02 | 7 | -3.40°C | 2012-12-12 | 7 | -17.3°C | 2021-03-16 |
| 8 | -8.6°C | 2010-12-20 | 8 | -3.10°C | 2018-03-01 | 8 | -14.3°C | 2018-03-01 |
| 9 | -8.5°C | 2012-02-11 | 9 | -3.10°C | 2022-12-11 | 9 | -13.5°C | 2021-02-07 |
| 10 | -8.4°C | 2018-02-28 | 10 | -3.10°C | 2023-01-17 | 10 | -12.3°C | 2018-02-26 |
| Lowest maximum temperature | Highest minimum temperature | |||||||
| 1 | -2.1°C | 2010-12-03 | 1 | 19.8°C | 2020-08-11 | |||
| 2 | -1.6°C | 2021-02-08 | 2 | 19.7°C | 2025-07-01 | |||
| 3 | -1.3°C | 2010-12-02 | 3 | 19.7°C | 2016-08-25 | |||
| 4 | -1.1°C | 2009-01-10 | 4 | 19.6°C | 2018-08-04 | |||
| 5 | -0.9°C | 2018-03-01 | 5 | 19.6°C | 2015-07-01 | |||
| 6 | -0.7°C | 2010-12-01 | 6 | 19.6°C | 2020-08-12 | |||
| 7 | -0.6°C | 2010-12-20 | 7 | 19.5°C | 2019-07-24 | |||
| 8 | -0.6°C | 2010-12-06 | 8 | 19.5°C | 2020-08-08 | |||
| 9 | -0.5°C | 2010-12-17 | 9 | 19.4°C | 2020-08-10 | |||
| 10 | -0.5°C | 2010-01-07 | 10 | 18.9°C | 2020-08-13 | |||
Note that apparent temperatures only recorded from 6 January 2011