Lafayette Rgnl climate by month
Averages and records for each calendar month at Lafayette Rgnl, United States, from 1893 to 2026. The warmest month is August, averaging 33.2°C; the coolest is January at 16.9°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 16.9°C | 5.8°C | 30.6°C20 January 1916 | −15.5°C22 January 2025 | 133 / 134 |
| February | 18.6°C | 7.4°C | 30.6°C23 February 1910 | −14.4°C13 February 1899 | 132 / 134 |
| March | 22.4°C | 10.8°C | 33.9°C5 March 1910 | −5.6°C3 March 1980 | 134 / 134 |
| April | 26.1°C | 14.5°C | 33.9°C8 April 1910 | 0.0°C13 April 1940 | 133 / 134 |
| May | 29.7°C | 18.3°C | 36.7°C29 May 1896 | 5.6°C1 May 1925 | 134 / 134 |
| June | 32.5°C | 21.7°C | 41.1°C27 June 1930 | 10.6°C3 June 1903 | 134 / 134 |
| July | 33.1°C | 22.9°C | 41.7°C13 July 1901 | 15.0°C4 July 1924 | 133 / 133 |
| August | 33.2°C | 22.6°C | 43.3°C27 August 2023 | 14.4°C29 August 1906 | 134 / 134 |
| September | 31.4°C | 20.2°C | 39.4°C3 September 2000 | 5.0°C28 September 1896 | 133 / 134 |
| October | 27.4°C | 14.3°C | 36.7°C23 October 1933 | −2.8°C31 October 1917 | 133 / 133 |
| November | 22.0°C | 9.4°C | 33.3°C3 November 1936 | −6.1°C16 November 1916 | 130 / 133 |
| December | 18.1°C | 6.6°C | 31.7°C1 December 1906 | −12.8°C23 December 1989 | 132 / 133 |
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 130 to 134 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.