Brenham Muni climate by month
Averages and records for each calendar month at Brenham Muni, United States, from 2011 to 2026. The warmest month is August, averaging 36.1°C; the coolest is January at 17.6°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 17.6°C | 5.7°C | 30.0°C2 January 2026 | −9.3°C17 January 2024 | 14 / 15 |
| February | 19.8°C | 8.1°C | 31.1°C8 February 2017 | −11.0°C15 February 2021 | 13 / 14 |
| March | 23.9°C | 12.2°C | 32.2°C18 March 2013 | −3.2°C3 March 2014 | 14 / 15 |
| April | 26.8°C | 15.4°C | 33.9°C26 April 2017 | 2.2°C20 April 2013 | 14 / 14 |
| May | 30.2°C | 19.7°C | 36.7°C18 May 2022 | 5.6°C4 May 2013 | 14 / 15 |
| June | 34.0°C | 23.3°C | 42.2°C29 June 2013 | 16.1°C11 June 2020 | 15 / 16 |
| July | 35.2°C | 24.2°C | 42.2°C10 July 2022 | 17.8°C25 July 2019 | 15 / 16 |
| August | 36.1°C | 24.1°C | 42.8°C27 August 2023 | 20.0°C18 August 2013 | 16 / 16 |
| September | 33.2°C | 21.4°C | 41.1°C8 September 2023 | 11.1°C29 September 2020 | 15 / 16 |
| October | 28.9°C | 15.8°C | 35.6°C4 October 2019 | 1.7°C29 October 2017 | 15 / 15 |
| November | 22.7°C | 10.4°C | 31.7°C17 November 2013 | −2.1°C13 November 2019 | 15 / 15 |
| December | 19.4°C | 7.9°C | 30.0°C1 December 2012 | −9.3°C23 December 2022 | 15 / 15 |
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 13 to 16 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.