Montrose Rgnl climate by month
Averages and records for each calendar month at Montrose Rgnl, United States, from 1996 to 2026. The warmest month is July, averaging 32.7°C; the coolest is January at 4.0°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 4.0°C | −8.7°C | 15.0°C27 January 2015 | −25.6°C11 January 2011 | 30 / 30 |
| February | 7.4°C | −5.7°C | 20.0°C3 February 2025 | −23.3°C3 February 2011 | 30 / 30 |
| March | 13.4°C | −1.6°C | 30.6°C25 March 2026 | −17.8°C2 March 2002 | 30 / 30 |
| April | 17.6°C | 1.9°C | 29.4°C23 April 2012 | −8.9°C16 April 1999 | 30 / 30 |
| May | 23.3°C | 6.3°C | 36.7°C31 May 2002 | −4.3°C1 May 2014 | 30 / 30 |
| June | 30.2°C | 11.5°C | 37.8°C16 June 2021 | 1.1°C6 June 1999 | 29 / 30 |
| July | 32.7°C | 15.0°C | 38.3°C14 July 2002 | 6.1°C2 July 1997 | 31 / 31 |
| August | 30.6°C | 13.7°C | 38.3°C3 August 2026 | 5.0°C28 August 2004 | 31 / 31 |
| September | 26.1°C | 9.2°C | 35.6°C6 September 2022 | −3.9°C29 September 1999 | 30 / 31 |
| October | 18.6°C | 2.5°C | 31.1°C1 October 2015 | −17.1°C27 October 2020 | 30 / 30 |
| November | 10.9°C | −3.5°C | 23.9°C1 November 2014 | −22.7°C30 November 2006 | 30 / 30 |
| December | 4.2°C | −8.3°C | 18.9°C22 December 2025 | −25.0°C22 December 1998 | 30 / 30 |
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 29 to 31 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.