New Orleans climate by month
Averages and records for each calendar month at New Orleans , United States, from 1956 to 2026. The warmest month is July, averaging 32.3°C; the coolest is January at 16.2°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 16.2°C | 5.9°C | 28.9°C31 January 2002 | −10.0°C11 January 1962 | 51 / 55 |
| February | 18.1°C | 7.6°C | 28.9°C5 February 1957 | −8.3°C5 February 1996 | 53 / 55 |
| March | 21.5°C | 11.0°C | 30.6°C31 March 1978 | −5.0°C3 March 1980 | 54 / 55 |
| April | 25.3°C | 14.8°C | 33.3°C30 April 1981 | −0.6°C4 April 1987 | 53 / 55 |
| May | 28.8°C | 18.9°C | 36.1°C30 May 1977 | 8.3°C13 May 1960 | 53 / 54 |
| June | 31.4°C | 22.0°C | 37.8°C24 June 2009 | 10.6°C1 June 1984 | 51 / 53 |
| July | 32.3°C | 23.0°C | 38.9°C23 July 1981 | 16.7°C16 July 1967 | 51 / 53 |
| August | 32.2°C | 23.0°C | 39.4°C22 August 1980 | 15.0°C23 August 1956 | 51 / 53 |
| September | 30.4°C | 21.3°C | 39.4°C10 September 1980 | 7.8°C30 September 1967 | 50 / 54 |
| October | 26.3°C | 15.6°C | 34.4°C1 October 1998 | 1.1°C20 October 1989 | 51 / 54 |
| November | 21.7°C | 10.6°C | 31.1°C2 November 1972 | −3.3°C24 November 1970 | 50 / 53 |
| December | 18.0°C | 7.4°C | 29.4°C16 December 1971 | −10.6°C23 December 1989 | 51 / 53 |
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 50 to 54 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.