Avalon/Catalina Arpt climate by month
Averages and records for each calendar month at Avalon/Catalina Arpt, United States, from 1948 to 2026. The warmest month is August, averaging 26.4°C; the coolest is January at 16.0°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 16.0°C | 9.9°C | 29.4°C31 January 2003 | −1.7°C11 January 1949 | 38 / 38 |
| February | 16.1°C | 9.6°C | 30.6°C3 February 1963 | 0.0°C13 February 1949 | 38 / 38 |
| March | 16.5°C | 9.4°C | 32.8°C17 March 2026 | −3.3°C27 March 1976 | 37 / 39 |
| April | 17.5°C | 9.9°C | 33.3°C27 April 2004 | 3.9°C1 April 1967 | 36 / 37 |
| May | 18.9°C | 11.0°C | 35.6°C15 May 1967 | 6.1°C4 May 1950 | 37 / 37 |
| June | 21.0°C | 12.6°C | 38.9°C20 June 2016 | 7.2°C2 June 1953 | 35 / 38 |
| July | 25.4°C | 15.6°C | 41.1°C6 July 2018 | 9.4°C5 July 1951 | 36 / 37 |
| August | 26.4°C | 16.9°C | 39.4°C29 August 1967 | 10.0°C14 August 2010 | 37 / 37 |
| September | 25.5°C | 16.8°C | 43.3°C6 September 2020 | 8.9°C25 September 1948 | 36 / 37 |
| October | 22.9°C | 15.0°C | 37.2°C1 October 2020 | 5.0°C19 October 1949 | 35 / 36 |
| November | 19.4°C | 12.5°C | 32.8°C22 November 2017 | 2.8°C5 November 2000 | 36 / 36 |
| December | 16.0°C | 10.1°C | 27.2°C10 December 1950 | 1.1°C14 December 1967 | 36 / 36 |
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 35 to 38 years each.
See what Avalon/Catalina Arpt is doing right now
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.