MACMILLAN PASS, YT weather by month
Averages and records for each calendar month at MACMILLAN PASS, YT, Canada, from 1998 to 2026. The warmest month is July, averaging 16.6°C; the coolest is February at −13.9°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −13.4°C | −21.1°C | 5.8°C19 January 2009 | −44.5°C29 January 2013 | 20 / 26 |
| February | −13.9°C | −22.1°C | 3.8°C13 February 2017 | −43.2°C9 February 2021 | 24 / 28 |
| March | −12.6°C | −21.5°C | 6.3°C19 March 2019 | −41.5°C3 March 2026 | 26 / 28 |
| April | −3.2°C | −12.7°C | 7.8°C30 April 2002 | −34.4°C1 April 2022 | 27 / 28 |
| May | 6.7°C | −2.7°C | 23.8°C27 May 2019 | −25.0°C3 May 2002 | 27 / 28 |
| June | 15.0°C | 3.2°C | 27.5°C12 June 2006 | −5.8°C19 June 2005 | 25 / 28 |
| July | 16.6°C | 5.2°C | 27.2°C21 July 2001 | −5.8°C13 July 2013 | 25 / 27 |
| August | 14.4°C | 3.6°C | 28.0°C5 August 1999 | −7.6°C26 August 2004 | 25 / 27 |
| September | 7.0°C | −1.4°C | 21.6°C5 September 2025 | −17.6°C30 September 2004 | 25 / 28 |
| October | −2.0°C | −9.2°C | 16.1°C3 October 2003 | −29.1°C18 October 2004 | 26 / 29 |
| November | −11.2°C | −18.2°C | 5.8°C23 November 2005 | −37.4°C21 November 2011 | 25 / 28 |
| December | −13.7°C | −21.2°C | 6.1°C22 December 1999 | −39.3°C12 December 2025 | 22 / 27 |
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 20 to 27 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.