Mayport climate by month
Averages and records for each calendar month at Mayport , United States, from 1959 to 2026. The warmest month is July, averaging 32.4°C; the coolest is January at 17.6°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 17.6°C | 8.3°C | 30.6°C29 January 1972 | −13.3°C21 January 1985 | 51 / 53 |
| February | 19.1°C | 9.6°C | 32.2°C23 February 2023 | −6.1°C5 February 1996 | 50 / 52 |
| March | 21.9°C | 12.6°C | 32.8°C26 March 2023 | −2.2°C9 March 1996 | 52 / 52 |
| April | 25.2°C | 16.1°C | 35.6°C27 April 1986 | 2.8°C1 April 1987 | 52 / 52 |
| May | 28.6°C | 20.0°C | 37.8°C9 May 2024 | 8.3°C8 May 1992 | 51 / 51 |
| June | 31.0°C | 22.9°C | 39.4°C20 June 1990 | 13.9°C6 June 1966 | 51 / 52 |
| July | 32.4°C | 23.9°C | 39.4°C19 July 1986 | 19.4°C25 July 1971 | 50 / 52 |
| August | 31.7°C | 24.1°C | 38.3°C1 August 1990 | 20.0°C21 August 1961 | 50 / 52 |
| September | 30.0°C | 23.4°C | 37.8°C8 September 1990 | 13.9°C30 September 1967 | 47 / 52 |
| October | 26.6°C | 19.4°C | 35.6°C5 October 1986 | 5.0°C29 October 2008 | 48 / 53 |
| November | 22.5°C | 13.9°C | 31.7°C3 November 2015 | −2.8°C24 November 1970 | 50 / 53 |
| December | 19.0°C | 10.0°C | 30.6°C15 December 1971 | −9.4°C13 December 1962 | 48 / 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 47 to 52 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.