Lennoxville climate by month
Averages and records for each calendar month at Lennoxville, Canada, from 1888 to 2026. The warmest month is July, averaging 25.7°C; the coolest is January at −4.5°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −4.5°C | −15.8°C | 17.0°C15 January 1995 | −44.4°C28 January 1925 | 112 / 116 |
| February | −3.0°C | −15.6°C | 18.2°C25 February 2017 | −43.9°C1 February 1920 | 112 / 116 |
| March | 2.7°C | −8.8°C | 25.8°C21 March 2012 | −40.0°C4 March 1938 | 115 / 116 |
| April | 10.6°C | −1.0°C | 30.6°C20 April 1941 | −20.6°C1 April 1923 | 114 / 116 |
| May | 18.3°C | 4.9°C | 34.9°C27 May 2020 | −6.7°C1 May 1922 | 114 / 115 |
| June | 23.2°C | 10.4°C | 35.0°C28 June 1948 | −3.9°C8 June 1934 | 111 / 115 |
| July | 25.7°C | 13.1°C | 37.2°C8 July 1921 | 0.6°C30 July 1952 | 112 / 113 |
| August | 24.6°C | 11.9°C | 36.1°C18 August 1935 | −1.1°C28 August 1915 | 109 / 113 |
| September | 20.1°C | 7.5°C | 33.9°C13 September 1931 | −8.9°C25 September 1925 | 108 / 114 |
| October | 13.3°C | 2.0°C | 29.4°C4 October 1932 | −11.1°C26 October 1941 | 110 / 113 |
| November | 5.4°C | −3.3°C | 23.9°C7 November 1938 | −26.7°C30 November 1925 | 109 / 113 |
| December | −1.9°C | −11.4°C | 18.9°C5 December 1941 | −44.4°C30 December 1933 | 109 / 112 |
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 108 to 115 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.