Ft Myers/SW Florida Intl climate by month
Averages and records for each calendar month at Ft Myers/SW Florida Intl, United States, from 1998 to 2026. The warmest month is August, averaging 33.3°C; the coolest is January at 23.7°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 23.7°C | 11.7°C | 34.4°C24 January 2018 | −2.8°C5 January 2001 | 27 / 28 |
| February | 25.8°C | 13.5°C | 31.7°C28 February 2017 | −1.1°C2 February 2026 | 27 / 28 |
| March | 27.5°C | 15.1°C | 32.8°C30 March 2002 | 2.8°C8 March 2001 | 28 / 28 |
| April | 29.8°C | 17.4°C | 36.1°C27 April 1999 | 5.6°C6 April 2000 | 27 / 28 |
| May | 31.9°C | 20.1°C | 36.7°C28 May 2006 | 10.0°C1 May 2000 | 28 / 29 |
| June | 32.8°C | 22.8°C | 37.8°C20 June 2006 | 18.9°C10 June 2000 | 29 / 29 |
| July | 33.1°C | 23.8°C | 37.2°C3 July 1998 | 20.6°C3 July 2001 | 29 / 29 |
| August | 33.3°C | 24.1°C | 36.7°C12 August 2005 | 17.2°C17 August 2007 | 29 / 29 |
| September | 32.2°C | 23.6°C | 36.1°C7 September 2022 | 18.3°C30 September 2022 | 28 / 29 |
| October | 30.4°C | 20.8°C | 35.0°C8 October 2009 | 7.2°C29 October 2008 | 28 / 28 |
| November | 27.3°C | 16.6°C | 33.3°C4 November 2015 | 4.4°C28 November 2013 | 27 / 28 |
| December | 25.2°C | 14.1°C | 31.7°C14 December 2006 | 0.6°C31 December 2000 | 28 / 28 |
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 27 to 29 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.