Palmdale Rgnl climate by month
Averages and records for each calendar month at Palmdale Rgnl, United States, from 1934 to 2026. The warmest month is July, averaging 37.0°C; the coolest is January at 14.3°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 14.3°C | −0.5°C | 29.4°C11 January 2010 | −16.1°C13 January 1963 | 62 / 62 |
| February | 16.3°C | 1.1°C | 28.9°C13 February 2014 | −11.7°C21 February 1953 | 62 / 62 |
| March | 19.3°C | 3.4°C | 35.0°C20 March 2026 | −8.9°C3 March 1971 | 62 / 62 |
| April | 23.0°C | 6.3°C | 35.6°C22 April 1949 | −3.3°C4 April 1955 | 61 / 62 |
| May | 27.6°C | 10.5°C | 41.1°C28 May 2003 | −1.1°C1 May 1967 | 62 / 62 |
| June | 32.9°C | 14.7°C | 45.0°C21 June 1961 | 2.8°C10 June 1954 | 62 / 62 |
| July | 37.0°C | 18.8°C | 46.1°C6 July 2024 | 6.7°C5 July 1948 | 63 / 63 |
| August | 36.6°C | 17.9°C | 43.9°C16 August 2020 | 6.7°C21 August 1959 | 63 / 63 |
| September | 32.8°C | 13.9°C | 43.9°C5 September 2020 | 0.0°C26 September 1948 | 62 / 63 |
| October | 26.3°C | 8.0°C | 40.6°C2 October 2024 | −7.8°C30 October 1971 | 62 / 62 |
| November | 19.3°C | 2.2°C | 30.6°C5 November 2023 | −15.6°C19 November 1964 | 61 / 61 |
| December | 14.5°C | −0.6°C | 29.4°C4 December 1958 | −14.4°C27 December 1962 | 62 / 62 |
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 61 to 63 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.