TATLAYOKO LAKE RCS, BC weather by month
Averages and records for each calendar month at TATLAYOKO LAKE RCS, BC, Canada, from 2000 to 2026. The warmest month is July, averaging 24.7°C; the coolest is December at −1.0°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 0.4°C | −10.1°C | 13.2°C28 January 2017 | −40.0°C12 January 2024 | 25 / 25 |
| February | 2.7°C | −9.6°C | 18.1°C4 February 2026 | −34.3°C11 February 2021 | 25 / 25 |
| March | 6.6°C | −6.0°C | 21.4°C31 March 2016 | −30.8°C8 March 2002 | 24 / 25 |
| April | 11.9°C | −3.5°C | 26.2°C27 April 2018 | −17.2°C2 April 2018 | 24 / 24 |
| May | 16.9°C | 0.2°C | 30.2°C28 May 2005 | −9.9°C2 May 2006 | 24 / 24 |
| June | 20.6°C | 3.7°C | 39.6°C29 June 2021 | −4.8°C4 June 2017 | 24 / 25 |
| July | 24.7°C | 5.7°C | 35.5°C27 July 2009 | −3.2°C2 July 2002 | 25 / 25 |
| August | 24.7°C | 5.1°C | 35.3°C26 August 2025 | −4.3°C30 August 2008 | 25 / 26 |
| September | 19.5°C | 1.9°C | 32.9°C3 September 2025 | −9.2°C23 September 2008 | 26 / 26 |
| October | 12.0°C | −1.9°C | 26.8°C3 October 2022 | −19.0°C27 October 2023 | 25 / 26 |
| November | 3.9°C | −6.2°C | 18.2°C4 November 2010 | −35.9°C28 November 2006 | 24 / 26 |
| December | −1.0°C | −10.6°C | 13.7°C1 December 2008 | −37.9°C27 December 2021 | 25 / 25 |
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 24 to 26 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.