Isachsen Meteorological Aeronautical Presentation System weather by month
Averages and records for each calendar month at Isachsen Meteorological Aeronautical Presentation System, Canada, from 1957 to 2026. The warmest month is July, averaging 6.6°C; the coolest is February at −30.1°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −29.7°C | −36.6°C | −3.9°C23 January 1958 | −50.6°C1 January 1959 | 12 / 27 |
| February | −30.1°C | −37.2°C | −11.2°C28 February 2006 | −50.6°C21 February 1958 | 13 / 24 |
| March | −29.2°C | −35.9°C | −11.6°C31 March 2006 | −49.1°C1 March 2005 | 16 / 21 |
| April | −20.1°C | −27.3°C | −2.3°C28 April 2021 | −42.2°C4 April 1958 | 17 / 24 |
| May | −8.1°C | −13.3°C | 6.4°C17 May 2008 | −26.8°C7 May 2001 | 22 / 26 |
| June | 2.2°C | −1.9°C | 15.8°C28 June 2012 | −14.8°C3 June 2004 | 20 / 27 |
| July | 6.6°C | 1.5°C | 18.9°C7 July 1957 | −4.7°C5 July 2014 | 23 / 30 |
| August | 3.3°C | −1.0°C | 16.3°C1 August 2011 | −12.2°C15 August 2003 | 20 / 30 |
| September | −4.9°C | −10.2°C | 6.3°C7 September 2022 | −27.2°C29 September 1958 | 17 / 31 |
| October | −13.8°C | −20.5°C | −0.5°C1 October 2001 | −36.7°C31 October 2004 | 15 / 28 |
| November | −22.3°C | −29.0°C | −5.4°C1 November 2010 | −42.3°C19 November 2010 | 15 / 26 |
| December | −27.7°C | −34.8°C | −3.2°C3 December 2023 | −47.9°C14 December 2004 | 11 / 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 11 to 23 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.