Ramona Arpt climate by month
Averages and records for each calendar month at Ramona Arpt, United States, from 1998 to 2026. The warmest month is August, averaging 32.9°C; the coolest is February at 19.0°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 19.3°C | 1.9°C | 31.7°C15 January 2021 | −8.8°C17 January 2007 | 28 / 28 |
| February | 19.0°C | 2.5°C | 32.2°C27 February 2026 | −7.1°C5 February 2020 | 27 / 28 |
| March | 20.1°C | 3.9°C | 36.7°C20 March 2026 | −3.8°C8 March 2012 | 28 / 28 |
| April | 22.0°C | 5.6°C | 36.1°C27 April 2004 | −2.8°C10 April 1999 | 28 / 29 |
| May | 24.2°C | 8.9°C | 38.3°C10 May 2025 | 0.0°C11 May 2022 | 29 / 29 |
| June | 28.5°C | 11.1°C | 42.8°C20 June 2016 | 2.2°C2 June 2011 | 29 / 29 |
| July | 32.1°C | 14.0°C | 47.2°C6 July 2018 | 4.4°C5 July 2023 | 29 / 29 |
| August | 32.9°C | 14.3°C | 43.9°C31 August 2017 | 5.6°C9 August 2010 | 28 / 28 |
| September | 31.1°C | 12.6°C | 45.6°C6 September 2024 | 3.9°C25 September 2005 | 28 / 29 |
| October | 27.0°C | 8.5°C | 40.0°C1 October 2012 | −1.0°C27 October 2020 | 28 / 28 |
| November | 22.8°C | 4.0°C | 35.0°C5 November 2020 | −5.5°C27 November 2010 | 27 / 28 |
| December | 19.1°C | 1.7°C | 31.1°C28 December 2017 | −6.6°C5 December 2011 | 28 / 28 |
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 27 to 29 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.