Chetwynd Arpt climate by month
Averages and records for each calendar month at Chetwynd Arpt, Canada, from 1982 to 2024. The warmest month is July, averaging 22.7°C; the coolest is December at −4.7°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −4.6°C | −14.5°C | 15.7°C5 January 2003 | −52.0°C25 January 1997 | 41 / 42 |
| February | −1.7°C | −12.9°C | 14.8°C27 February 1986 | −43.8°C9 February 2008 | 41 / 41 |
| March | 2.7°C | −9.0°C | 22.4°C29 March 2004 | −40.1°C2 March 2014 | 42 / 42 |
| April | 10.7°C | −2.3°C | 28.0°C18 April 2016 | −27.6°C2 April 2002 | 41 / 42 |
| May | 16.9°C | 2.7°C | 33.4°C29 May 1983 | −9.8°C3 May 2002 | 40 / 40 |
| June | 20.4°C | 6.9°C | 31.0°C22 June 1990 | −3.5°C10 June 2010 | 38 / 39 |
| July | 22.7°C | 8.9°C | 35.4°C13 July 2014 | −1.8°C16 July 1999 | 38 / 38 |
| August | 21.9°C | 7.8°C | 33.8°C15 August 1991 | −7.1°C23 August 2014 | 38 / 40 |
| September | 16.8°C | 3.8°C | 31.2°C12 September 2013 | −8.5°C23 September 1984 | 40 / 40 |
| October | 9.4°C | −0.9°C | 27.0°C4 October 2003 | −28.7°C31 October 2012 | 40 / 41 |
| November | −0.6°C | −9.5°C | 16.5°C2 November 2020 | −42.0°C26 November 1985 | 40 / 41 |
| December | −4.7°C | −14.5°C | 13.2°C18 December 2004 | −46.3°C29 December 1992 | 41 / 41 |
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 38 to 42 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.