MERRITT, BC climate by month
Averages and records for each calendar month at MERRITT, BC, Canada, from 2011 to 2026. The warmest month is August, averaging 28.2°C; the coolest is December at 1.3°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 1.4°C | −7.3°C | 15.8°C25 January 2015 | −34.4°C12 January 2024 | 15 / 15 |
| February | 3.7°C | −7.0°C | 14.6°C28 February 2025 | −26.6°C8 February 2017 | 15 / 15 |
| March | 10.1°C | −2.9°C | 23.2°C17 March 2024 | −27.4°C4 March 2019 | 15 / 15 |
| April | 14.7°C | −0.3°C | 29.7°C20 April 2016 | −12.1°C2 April 2020 | 15 / 15 |
| May | 20.5°C | 4.8°C | 33.7°C16 May 2023 | −3.9°C3 May 2015 | 15 / 15 |
| June | 23.4°C | 8.4°C | 44.5°C29 June 2021 | 0.1°C12 June 2018 | 15 / 15 |
| July | 27.9°C | 10.6°C | 38.5°C28 July 2022 | 3.1°C4 July 2011 | 15 / 15 |
| August | 28.2°C | 9.8°C | 38.8°C15 August 2023 | 2.3°C24 August 2021 | 14 / 15 |
| September | 22.9°C | 5.8°C | 38.3°C3 September 2025 | −3.5°C11 September 2014 | 14 / 15 |
| October | 14.1°C | 0.7°C | 28.6°C2 October 2022 | −15.5°C25 October 2020 | 14 / 14 |
| November | 5.9°C | −3.6°C | 19.7°C8 November 2016 | −24.7°C30 November 2014 | 14 / 14 |
| December | 1.3°C | −7.7°C | 15.0°C1 December 2021 | −37.6°C22 December 2022 | 14 / 14 |
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 14 to 15 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.