La Grande Iv, Que. weather by month
Averages and records for each calendar month at La Grande Iv, Que., Canada, from 1985 to 2026. The warmest month is July, averaging 20.4°C; the coolest is January at −15.0°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −15.0°C | −25.3°C | 4.0°C2 January 2011 | −46.6°C14 January 1986 | 21 / 33 |
| February | −14.0°C | −26.7°C | 6.2°C27 February 2010 | −50.0°C14 February 2003 | 20 / 33 |
| March | −7.0°C | −21.8°C | 10.5°C14 March 2010 | −46.4°C1 March 1992 | 19 / 33 |
| April | 2.3°C | −9.8°C | 20.2°C21 April 1987 | −38.6°C2 April 1994 | 20 / 33 |
| May | 11.0°C | −2.0°C | 30.7°C30 May 2023 | −16.7°C2 May 1994 | 19 / 33 |
| June | 19.0°C | 4.9°C | 35.5°C24 June 1989 | −8.2°C3 June 1986 | 18 / 34 |
| July | 20.4°C | 8.3°C | 32.8°C4 July 2023 | 0.0°C11 July 1992 | 18 / 34 |
| August | 19.1°C | 7.6°C | 30.0°C20 August 1995 | −2.5°C27 August 1989 | 18 / 34 |
| September | 13.5°C | 3.7°C | 29.1°C2 September 2008 | −5.6°C28 September 1986 | 19 / 35 |
| October | 6.0°C | −0.7°C | 23.2°C4 October 2023 | −16.1°C27 October 1990 | 23 / 34 |
| November | −2.2°C | −8.9°C | 12.5°C6 November 2022 | −36.4°C30 November 1989 | 19 / 34 |
| December | −10.7°C | −19.8°C | 6.6°C24 December 2015 | −48.1°C27 December 1989 | 21 / 34 |
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 18 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.