STAVELY AAFC, ALTA climate by month
Averages and records for each calendar month at STAVELY AAFC, ALTA, Canada, from 1996 to 2026. The warmest month is July, averaging 22.6°C; the coolest is December at 0.1°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 1.0°C | −9.0°C | 19.7°C19 January 2009 | −39.1°C12 January 2024 | 29 / 30 |
| February | 0.3°C | −9.5°C | 17.6°C5 February 2026 | −31.8°C10 February 2021 | 27 / 30 |
| March | 3.7°C | −6.3°C | 22.4°C30 March 2004 | −33.2°C1 March 2014 | 30 / 30 |
| April | 9.0°C | −1.5°C | 26.4°C28 April 2018 | −18.9°C2 April 2002 | 30 / 30 |
| May | 14.8°C | 4.0°C | 28.8°C31 May 2025 | −8.4°C3 May 2002 | 29 / 29 |
| June | 18.0°C | 7.8°C | 32.3°C29 June 2021 | −1.4°C7 June 2009 | 28 / 29 |
| July | 22.6°C | 11.0°C | 33.9°C23 July 2007 | 0.8°C15 July 1999 | 29 / 29 |
| August | 22.2°C | 10.4°C | 37.1°C10 August 2018 | −0.1°C16 August 2002 | 28 / 29 |
| September | 17.7°C | 6.5°C | 32.4°C2 September 2017 | −8.6°C22 September 2000 | 28 / 29 |
| October | 10.8°C | 0.6°C | 26.1°C2 October 2010 | −18.1°C31 October 2003 | 27 / 28 |
| November | 4.3°C | −4.8°C | 24.1°C4 November 2010 | −28.2°C28 November 2006 | 28 / 28 |
| December | 0.1°C | −9.4°C | 19.1°C27 December 1999 | −34.2°C20 December 2022 | 28 / 29 |
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 30 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.