NEW ORLEANS INTERNATIONAL AIRPORT climate by month
Averages and records for each calendar month at NEW ORLEANS INTERNATIONAL AIRPORT, United States, from 1948 to 2026. The warmest month is July, averaging 32.8°C; the coolest is January at 16.9°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 16.9°C | 6.7°C | 28.3°C31 January 1957 | −10.0°C11 January 1962 | 79 / 79 |
| February | 18.8°C | 8.5°C | 30.0°C21 February 2026 | −8.9°C5 February 1996 | 79 / 79 |
| March | 22.3°C | 11.8°C | 31.7°C18 March 1982 | −3.9°C2 March 1980 | 79 / 79 |
| April | 25.9°C | 15.4°C | 33.3°C21 April 1987 | 0.0°C8 April 1971 | 79 / 79 |
| May | 29.5°C | 19.4°C | 36.1°C15 May 2018 | 5.0°C13 May 1960 | 79 / 79 |
| June | 32.1°C | 22.6°C | 38.3°C24 June 2009 | 10.0°C1 June 1984 | 79 / 79 |
| July | 32.8°C | 23.6°C | 38.3°C16 July 1980 | 15.6°C16 July 1967 | 79 / 79 |
| August | 32.8°C | 23.6°C | 40.6°C27 August 2023 | 15.6°C30 August 1968 | 79 / 79 |
| September | 30.8°C | 21.8°C | 38.3°C10 September 1980 | 5.6°C30 September 1967 | 78 / 79 |
| October | 26.8°C | 16.3°C | 36.1°C4 October 2019 | 1.7°C29 October 1968 | 78 / 78 |
| November | 21.7°C | 11.0°C | 31.1°C2 November 2016 | −4.4°C25 November 1970 | 78 / 78 |
| December | 18.3°C | 8.1°C | 29.4°C5 December 2017 | −11.7°C23 December 1989 | 78 / 78 |
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 78 to 79 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.