MALMESBURY climate by month
Averages and records for each calendar month at MALMESBURY, South Africa, from 1997 to 2026. The warmest month is February, averaging 33.8°C; the coolest is July at 19.8°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 33.0°C | 15.6°C | 44.1°C22 January 2022 | 7.1°C19 January 2019 | 23 / 28 |
| February | 33.8°C | 15.4°C | 43.8°C16 February 2014 | 5.0°C24 February 1998 | 20 / 28 |
| March | 31.2°C | 14.0°C | 43.7°C20 March 2017 | 5.0°C13 March 2001 | 21 / 29 |
| April | 27.9°C | 11.3°C | 40.8°C12 April 2014 | 1.3°C22 April 2011 | 21 / 29 |
| May | 23.9°C | 9.3°C | 34.6°C16 May 2022 | 0.0°C17 May 2004 | 21 / 29 |
| June | 20.7°C | 7.0°C | 31.7°C3 June 2004 | 0.0°C10 June 1999 | 24 / 29 |
| July | 19.8°C | 5.9°C | 31.0°C31 July 2017 | −2.4°C3 July 2003 | 23 / 29 |
| August | 20.3°C | 6.3°C | 31.8°C29 August 2023 | −0.4°C5 August 2003 | 25 / 30 |
| September | 22.4°C | 7.4°C | 38.2°C26 September 2019 | 0.4°C20 September 2018 | 26 / 29 |
| October | 27.0°C | 10.0°C | 41.8°C27 October 2015 | −0.4°C26 October 2000 | 23 / 28 |
| November | 29.0°C | 12.0°C | 41.7°C30 November 2015 | 3.3°C7 November 2018 | 21 / 28 |
| December | 31.3°C | 14.0°C | 44.8°C30 December 2015 | 7.3°C27 December 2003 | 24 / 28 |
Years shows the number behind the average high, then the number holding a record for that month. They differ because a year contributes an average only when the month has at least 25 days of readings, while a single reading is enough to set a record. The average low is withheld on the same 25-day rule and is counted separately again; it is shown as a dash where the archive cannot support it. Across the twelve months here the averages rest on 20 to 26 years each.
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Every figure on this page is computed from NOAA GHCN-Daily observations stored per station, per year, per month. Nothing is modelled, interpolated or estimated, and a month the archive never covered is left out rather than filled in. A station appears here only once all twelve months carry an average from at least 10 years. See how this is built.