Imperial Cnty Arpt climate by month
Averages and records for each calendar month at Imperial Cnty Arpt, United States, from 1962 to 2026. The warmest month is July, averaging 42.3°C; the coolest is December at 20.6°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 20.7°C | 4.9°C | 32.2°C19 January 1971 | −6.1°C14 January 1963 | 45 / 45 |
| February | 23.1°C | 6.8°C | 36.1°C28 February 2026 | −5.5°C3 February 2011 | 45 / 46 |
| March | 26.2°C | 9.6°C | 41.7°C20 March 2026 | −2.2°C3 March 1971 | 46 / 46 |
| April | 29.8°C | 12.4°C | 41.1°C28 April 2007 | 3.3°C2 April 1975 | 46 / 46 |
| May | 34.4°C | 16.4°C | 44.4°C19 May 2008 | 6.1°C1 May 1967 | 45 / 45 |
| June | 39.9°C | 21.1°C | 50.0°C20 June 2017 | 11.7°C3 June 1971 | 45 / 46 |
| July | 42.3°C | 26.0°C | 49.4°C17 July 2005 | 17.2°C5 July 1978 | 46 / 46 |
| August | 41.7°C | 25.9°C | 48.3°C4 August 2021 | 16.1°C22 August 1968 | 46 / 47 |
| September | 38.5°C | 22.1°C | 49.4°C5 September 2020 | 12.2°C20 September 1965 | 44 / 46 |
| October | 32.4°C | 15.4°C | 43.3°C1 October 1980 | 0.0°C30 October 1971 | 44 / 45 |
| November | 25.6°C | 9.1°C | 38.3°C7 November 2008 | −1.1°C29 November 1976 | 45 / 45 |
| December | 20.6°C | 5.0°C | 30.6°C24 December 1964 | −4.4°C9 December 1978 | 45 / 45 |
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 44 to 46 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.