New York/La Guardia Arpt climate by month
Averages and records for each calendar month at New York/La Guardia Arpt, United States, from 1939 to 2026. The warmest month is July, averaging 29.5°C; the coolest is January at 3.8°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 3.8°C | −2.8°C | 22.2°C26 January 1950 | −19.4°C21 January 1985 | 87 / 87 |
| February | 5.0°C | −2.1°C | 26.1°C21 February 2018 | −21.7°C15 February 1943 | 87 / 87 |
| March | 9.5°C | 1.6°C | 30.0°C29 March 1945 | −13.9°C4 March 1943 | 87 / 87 |
| April | 15.7°C | 6.9°C | 34.4°C17 April 2002 | −5.6°C6 April 1982 | 87 / 87 |
| May | 21.5°C | 12.4°C | 36.1°C20 May 1996 | 2.2°C9 May 2020 | 87 / 87 |
| June | 26.7°C | 17.8°C | 38.3°C26 June 1952 | 7.8°C1 June 1945 | 87 / 87 |
| July | 29.5°C | 21.1°C | 41.7°C3 July 1966 | 13.3°C1 July 1943 | 87 / 87 |
| August | 28.5°C | 20.6°C | 40.0°C9 August 2001 | 10.6°C29 August 1982 | 87 / 87 |
| September | 24.6°C | 16.9°C | 38.9°C2 September 1953 | 5.6°C23 September 1947 | 86 / 87 |
| October | 18.6°C | 11.0°C | 35.0°C2 October 2019 | −1.1°C24 October 1969 | 86 / 87 |
| November | 12.3°C | 5.5°C | 28.3°C1 November 1950 | −8.3°C29 November 1955 | 87 / 87 |
| December | 6.4°C | 0.1°C | 23.9°C7 December 1998 | −18.9°C20 December 1942 | 87 / 87 |
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 86 to 87 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.