Holland Rock climate by month
Averages and records for each calendar month at Holland Rock, Canada, from 1991 to 2026. The warmest month is August, averaging 15.3°C; the coolest is February at 6.2°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 6.4°C | 2.4°C | 16.4°C14 January 2018 | −16.5°C17 January 2012 | 27 / 32 |
| February | 6.2°C | 2.2°C | 18.4°C26 February 1992 | −9.4°C10 February 2021 | 28 / 31 |
| March | 6.7°C | 2.7°C | 18.5°C28 March 1994 | −13.1°C8 March 2003 | 31 / 31 |
| April | 8.9°C | 4.8°C | 20.3°C26 April 1995 | −3.5°C2 April 1996 | 31 / 31 |
| May | 11.1°C | 7.3°C | 22.6°C13 May 2016 | 1.1°C3 May 1999 | 30 / 32 |
| June | 13.0°C | 9.6°C | 21.9°C19 June 2004 | 5.3°C7 June 2021 | 32 / 34 |
| July | 14.5°C | 11.4°C | 22.8°C18 July 2024 | 6.5°C2 July 1996 | 30 / 33 |
| August | 15.3°C | 11.8°C | 23.2°C9 August 2004 | 7.0°C28 August 1994 | 31 / 34 |
| September | 14.1°C | 10.4°C | 23.9°C29 September 2003 | 4.0°C30 September 1996 | 31 / 35 |
| October | 11.4°C | 7.6°C | 21.1°C16 October 2022 | −0.4°C28 October 1991 | 31 / 34 |
| November | 8.4°C | 4.6°C | 18.0°C3 November 2010 | −9.0°C27 November 2006 | 29 / 32 |
| December | 6.3°C | 2.4°C | 15.4°C11 December 2017 | −11.3°C20 December 2022 | 27 / 32 |
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 27 to 32 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.