LYTTON RCS, BC climate by month
Averages and records for each calendar month at LYTTON RCS, BC, Canada, from 2006 to 2026. The warmest month is July, averaging 30.8°C; the coolest is December at 1.4°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 2.6°C | −3.5°C | 16.3°C27 January 2011 | −23.6°C13 January 2024 | 20 / 20 |
| February | 5.6°C | −2.4°C | 15.6°C17 February 2007 | −17.4°C5 February 2019 | 19 / 20 |
| March | 11.4°C | 1.1°C | 24.7°C31 March 2013 | −15.1°C10 March 2009 | 20 / 20 |
| April | 16.6°C | 4.2°C | 31.3°C18 April 2016 | −6.4°C2 April 2020 | 20 / 20 |
| May | 23.0°C | 9.1°C | 36.5°C15 May 2023 | 0.0°C1 May 2010 | 19 / 20 |
| June | 25.6°C | 12.8°C | 49.6°C29 June 2021 | 4.0°C1 June 2008 | 20 / 20 |
| July | 30.8°C | 16.1°C | 42.2°C29 July 2022 | 2.8°C14 July 2010 | 19 / 20 |
| August | 30.4°C | 15.5°C | 42.2°C15 August 2023 | 3.9°C26 August 2007 | 20 / 20 |
| September | 24.4°C | 11.2°C | 39.6°C2 September 2022 | 2.2°C29 September 2016 | 19 / 20 |
| October | 15.1°C | 5.6°C | 29.6°C8 October 2023 | −6.5°C31 October 2006 | 18 / 19 |
| November | 6.8°C | 0.6°C | 16.7°C5 November 2012 | −20.0°C29 November 2006 | 18 / 19 |
| December | 1.4°C | −3.9°C | 15.9°C1 December 2021 | −25.6°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 18 to 20 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.