Garden River Automatic Weather Reporting System climate by month
Averages and records for each calendar month at Garden River Automatic Weather Reporting System, Canada, from 1993 to 2026. The warmest month is July, averaging 25.1°C; the coolest is January at −14.5°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −14.5°C | −25.0°C | 9.8°C7 January 2003 | −48.1°C17 January 1996 | 25 / 29 |
| February | −9.5°C | −23.5°C | 9.5°C28 February 2005 | −45.2°C1 February 2008 | 26 / 30 |
| March | −1.3°C | −17.7°C | 19.8°C29 March 2004 | −41.8°C4 March 1995 | 30 / 30 |
| April | 9.6°C | −5.8°C | 27.4°C18 April 2016 | −33.6°C3 April 1995 | 28 / 30 |
| May | 17.9°C | 1.6°C | 34.8°C28 May 2019 | −13.8°C1 May 2013 | 25 / 28 |
| June | 23.3°C | 7.3°C | 36.2°C27 June 2006 | −3.3°C9 June 2007 | 25 / 28 |
| July | 25.1°C | 9.9°C | 38.1°C9 July 2017 | −0.8°C18 July 2017 | 24 / 27 |
| August | 23.1°C | 7.8°C | 35.7°C1 August 2025 | −2.3°C21 August 2014 | 27 / 29 |
| September | 17.1°C | 2.7°C | 32.0°C12 September 2013 | −11.8°C21 September 2018 | 25 / 29 |
| October | 6.9°C | −3.7°C | 27.4°C1 October 2008 | −24.0°C30 October 1996 | 26 / 29 |
| November | −5.5°C | −14.6°C | 12.8°C4 November 2016 | −40.5°C27 November 2006 | 27 / 30 |
| December | −13.5°C | −23.3°C | 13.7°C27 December 1999 | −44.6°C29 December 1996 | 24 / 28 |
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 24 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.