Hamilton/Mt Hope climate by month
Averages and records for each calendar month at Hamilton/Mt Hope, Canada, from 1997 to 2026. The warmest month is July, averaging 27.6°C; the coolest is January at −0.1°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −0.1°C | −7.7°C | 18.1°C13 January 2005 | −25.4°C27 January 2003 | 27 / 28 |
| February | 1.2°C | −7.5°C | 18.8°C23 February 2017 | −27.3°C16 February 2015 | 28 / 28 |
| March | 6.0°C | −3.3°C | 26.5°C22 March 2012 | −24.7°C3 March 2003 | 28 / 28 |
| April | 12.4°C | 2.1°C | 29.4°C16 April 2002 | −11.5°C5 April 2016 | 28 / 28 |
| May | 19.2°C | 7.6°C | 35.0°C29 May 2006 | −2.2°C1 May 2008 | 27 / 28 |
| June | 24.7°C | 13.1°C | 35.2°C22 June 2025 | 1.1°C4 June 1998 | 27 / 28 |
| July | 27.6°C | 15.7°C | 38.1°C17 July 2012 | 7.4°C3 July 2015 | 27 / 27 |
| August | 26.6°C | 15.1°C | 37.3°C8 August 2001 | 6.0°C22 August 2004 | 27 / 27 |
| September | 23.0°C | 11.4°C | 34.9°C6 September 2007 | −0.8°C29 September 2000 | 26 / 27 |
| October | 15.7°C | 5.8°C | 31.7°C8 October 2007 | −6.1°C31 October 2020 | 26 / 26 |
| November | 9.1°C | 0.7°C | 25.9°C5 November 2022 | −13.7°C22 November 2018 | 26 / 26 |
| December | 3.1°C | −3.7°C | 19.6°C6 December 1998 | −21.4°C20 December 2004 | 26 / 26 |
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 26 to 28 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.