Baton Rouge/Ryan Fld climate by month
Averages and records for each calendar month at Baton Rouge/Ryan Fld, United States, from 1930 to 2026. The warmest month is July, averaging 33.1°C; the coolest is January at 16.7°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 16.7°C | 5.2°C | 29.4°C4 January 1946 | −13.8°C22 January 2025 | 97 / 97 |
| February | 18.7°C | 7.0°C | 30.6°C28 February 2011 | −10.6°C2 February 1951 | 95 / 97 |
| March | 22.4°C | 10.2°C | 32.8°C31 March 1946 | −6.7°C3 March 1980 | 97 / 97 |
| April | 26.1°C | 14.0°C | 33.9°C18 April 2006 | −0.6°C13 April 1940 | 97 / 97 |
| May | 29.6°C | 18.2°C | 36.7°C28 May 1953 | 4.4°C4 May 2013 | 95 / 97 |
| June | 32.5°C | 21.7°C | 39.4°C30 June 1954 | 11.7°C1 June 1984 | 97 / 97 |
| July | 33.1°C | 22.9°C | 38.9°C2 July 2009 | 14.4°C15 July 1967 | 97 / 97 |
| August | 33.1°C | 22.7°C | 41.1°C24 August 2023 | 14.4°C15 August 2004 | 97 / 97 |
| September | 31.2°C | 20.2°C | 40.0°C4 September 2000 | 6.1°C29 September 1967 | 96 / 97 |
| October | 27.2°C | 14.2°C | 36.1°C5 October 2006 | −1.1°C31 October 1993 | 95 / 96 |
| November | 21.7°C | 8.9°C | 32.8°C4 November 2024 | −6.1°C30 November 1976 | 96 / 96 |
| December | 18.0°C | 6.3°C | 29.4°C2 December 1982 | −13.3°C23 December 1989 | 96 / 96 |
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 95 to 97 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.