Guantanamo Bayi/Point Arpt climate by month
Averages and records for each calendar month at Guantanamo Bayi/Point Arpt, Cuba, from 1945 to 2026. The warmest month is August, averaging 33.2°C; the coolest is January at 29.6°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 29.6°C | 20.2°C | 36.0°C22 January 2006 | 13.9°C10 January 1956 | 74 / 81 |
| February | 29.6°C | 20.3°C | 35.0°C16 February 1984 | 13.9°C5 February 1958 | 73 / 80 |
| March | 30.0°C | 21.1°C | 35.0°C30 March 2015 | 15.0°C13 March 1996 | 72 / 80 |
| April | 30.6°C | 22.2°C | 35.0°C18 April 1984 | 17.2°C20 April 1968 | 74 / 81 |
| May | 31.3°C | 23.4°C | 37.2°C29 May 1995 | 18.9°C1 May 1974 | 75 / 82 |
| June | 32.2°C | 24.3°C | 37.2°C28 June 1985 | 20.0°C2 June 1948 | 73 / 81 |
| July | 33.1°C | 24.6°C | 39.9°C28 July 2019 | 20.0°C16 July 1997 | 75 / 82 |
| August | 33.2°C | 24.6°C | 38.9°C2 August 2017 | 20.0°C25 August 2008 | 75 / 82 |
| September | 32.7°C | 24.3°C | 37.8°C4 September 2018 | 19.4°C13 September 1973 | 73 / 82 |
| October | 31.9°C | 23.8°C | 38.3°C28 October 2018 | 18.9°C24 October 1992 | 76 / 81 |
| November | 31.2°C | 22.6°C | 37.2°C8 November 1986 | 16.1°C30 November 2008 | 76 / 81 |
| December | 30.2°C | 21.1°C | 35.0°C1 December 1983 | 13.9°C12 December 1981 | 75 / 81 |
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 72 to 76 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.