Jasper Warden Automated Reporting Station climate by month
Averages and records for each calendar month at Jasper Warden Automated Reporting Station, Canada, from 1994 to 2026. The warmest month is July, averaging 23.8°C; the coolest is December at −3.6°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −2.7°C | −14.2°C | 13.1°C29 January 2024 | −44.8°C25 January 1997 | 32 / 32 |
| February | 0.5°C | −12.7°C | 12.9°C26 February 2016 | −39.8°C10 February 2019 | 29 / 32 |
| March | 4.5°C | −8.4°C | 20.8°C29 March 2004 | −36.5°C8 March 2002 | 32 / 33 |
| April | 10.9°C | −3.9°C | 26.7°C30 April 2023 | −20.1°C2 April 2020 | 32 / 33 |
| May | 16.8°C | 0.7°C | 30.8°C15 May 2023 | −15.8°C11 May 2014 | 32 / 32 |
| June | 20.3°C | 5.0°C | 41.2°C30 June 2021 | −3.8°C1 June 2000 | 32 / 32 |
| July | 23.8°C | 7.4°C | 39.4°C1 July 2021 | −3.4°C1 July 2010 | 30 / 32 |
| August | 23.5°C | 6.1°C | 34.4°C28 August 1996 | −2.6°C18 August 2005 | 31 / 32 |
| September | 18.2°C | 2.4°C | 33.7°C3 September 2022 | −9.8°C22 September 2000 | 30 / 32 |
| October | 10.3°C | −2.4°C | 26.7°C3 October 2003 | −22.1°C25 October 2020 | 31 / 31 |
| November | 1.7°C | −8.2°C | 19.9°C8 November 2016 | −38.3°C29 November 2014 | 31 / 31 |
| December | −3.6°C | −14.4°C | 10.1°C1 December 2008 | −43.2°C20 December 2022 | 31 / 31 |
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 32 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.