CALLAGHAN VALLEY, BC climate by month
Averages and records for each calendar month at CALLAGHAN VALLEY, BC, Canada, from 2005 to 2024. The warmest month is August, averaging 22.2°C; the coolest is December at 0.6°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 2.0°C | −4.0°C | 11.3°C24 January 2022 | −21.9°C18 January 2012 | 18 / 19 |
| February | 2.7°C | −4.9°C | 12.7°C13 February 2022 | −21.0°C25 February 2011 | 19 / 19 |
| March | 5.5°C | −3.1°C | 20.0°C20 March 2019 | −18.4°C10 March 2009 | 19 / 19 |
| April | 8.8°C | −1.1°C | 25.1°C20 April 2016 | −10.1°C1 April 2008 | 19 / 19 |
| May | 14.9°C | 2.3°C | 28.8°C15 May 2023 | −3.8°C1 May 2013 | 17 / 18 |
| June | 17.5°C | 5.9°C | 40.3°C29 June 2021 | 0.0°C4 June 2012 | 17 / 19 |
| July | 22.1°C | 9.4°C | 35.3°C21 July 2006 | 1.9°C9 July 2011 | 19 / 19 |
| August | 22.2°C | 9.9°C | 35.0°C13 August 2021 | 2.7°C31 August 2008 | 19 / 19 |
| September | 17.3°C | 6.8°C | 32.5°C4 September 2017 | −1.1°C30 September 2019 | 18 / 19 |
| October | 10.3°C | 2.3°C | 26.9°C2 October 2022 | −9.9°C25 October 2020 | 19 / 19 |
| November | 3.6°C | −1.9°C | 13.9°C1 November 2020 | −19.9°C28 November 2006 | 19 / 19 |
| December | 0.6°C | −5.1°C | 8.9°C24 December 2005 | −25.0°C27 December 2021 | 18 / 19 |
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 17 to 19 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.