Alpine/Casparis Muni weather by month
Averages and records for each calendar month at Alpine/Casparis Muni, United States, from 2011 to 2026. The warmest month is June, averaging 33.8°C; the coolest is January at 15.0°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 15.0°C | 0.3°C | 27.2°C11 January 2017 | −13.3°C21 January 2025 | 14 / 15 |
| February | 18.6°C | 2.5°C | 31.7°C11 February 2017 | −15.5°C14 February 2021 | 14 / 14 |
| March | 22.8°C | 6.3°C | 35.6°C26 March 2026 | −9.3°C12 March 2022 | 15 / 15 |
| April | 26.4°C | 9.7°C | 35.6°C25 April 2012 | −4.9°C15 April 2014 | 15 / 15 |
| May | 30.3°C | 14.0°C | 38.3°C30 May 2018 | −4.3°C3 May 2013 | 15 / 15 |
| June | 33.8°C | 18.6°C | 40.6°C16 June 2017 | 8.9°C10 June 2020 | 14 / 15 |
| July | 32.7°C | 18.9°C | 39.4°C9 July 2020 | 10.6°C2 July 2013 | 14 / 14 |
| August | 32.5°C | 18.6°C | 40.6°C6 August 2023 | 10.6°C30 August 2017 | 15 / 15 |
| September | 29.2°C | 15.7°C | 37.8°C5 September 2023 | 4.4°C29 September 2020 | 14 / 15 |
| October | 25.9°C | 10.7°C | 33.9°C10 October 2020 | −6.6°C31 October 2019 | 15 / 15 |
| November | 20.3°C | 5.0°C | 30.6°C4 November 2017 | −9.3°C13 November 2018 | 15 / 15 |
| December | 17.0°C | 2.0°C | 27.8°C24 December 2021 | −13.8°C23 December 2022 | 14 / 14 |
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 14 to 15 years each.
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Climate at nearby stations
The closest stations with twelve months of archive of their own, nearest first.
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.