Coppermine/Kugluktuk Arpt climate by month
Averages and records for each calendar month at Coppermine/Kugluktuk Arpt, Canada, from 1957 to 2025. The warmest month is July, averaging 15.3°C; the coolest is January at −23.2°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −23.2°C | −31.5°C | 0.8°C16 January 1981 | −47.3°C15 January 2004 | 39 / 51 |
| February | −23.2°C | −31.8°C | −1.2°C7 February 1980 | −47.2°C20 February 1998 | 38 / 50 |
| March | −21.1°C | −30.3°C | −0.1°C22 March 1999 | −47.0°C5 March 1979 | 38 / 50 |
| April | −11.7°C | −21.5°C | 9.8°C22 April 2010 | −43.9°C1 April 1958 | 37 / 49 |
| May | −1.3°C | −9.3°C | 19.8°C24 May 1994 | −30.2°C3 May 1983 | 37 / 49 |
| June | 9.6°C | 0.8°C | 32.5°C29 June 2013 | −12.1°C1 June 2000 | 37 / 49 |
| July | 15.3°C | 5.9°C | 34.9°C15 July 1989 | −0.8°C30 July 2002 | 38 / 51 |
| August | 13.3°C | 4.8°C | 30.3°C5 August 2013 | −4.4°C29 August 1995 | 39 / 51 |
| September | 6.6°C | 0.1°C | 22.7°C5 September 2022 | −18.9°C26 September 2000 | 38 / 50 |
| October | −3.2°C | −9.4°C | 13.8°C1 October 2003 | −35.4°C29 October 1996 | 38 / 50 |
| November | −14.8°C | −22.7°C | 5.0°C22 November 1979 | −41.0°C24 November 1985 | 38 / 50 |
| December | −20.9°C | −29.2°C | −0.5°C10 December 2006 | −45.0°C19 December 1958 | 37 / 50 |
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 37 to 39 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.