Deline , N. W. T. weather by month
Averages and records for each calendar month at Deline , N. W. T., Canada, from 1999 to 2026. The warmest month is July, averaging 19.7°C; the coolest is January at −20.2°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −20.2°C | −28.0°C | 4.0°C18 January 2009 | −46.0°C31 January 2008 | 27 / 27 |
| February | −18.4°C | −28.1°C | 5.1°C4 February 2012 | −45.9°C1 February 2008 | 28 / 28 |
| March | −13.0°C | −25.2°C | 14.7°C19 March 2019 | −44.8°C3 March 2026 | 28 / 28 |
| April | −1.7°C | −13.8°C | 16.3°C21 April 2010 | −36.4°C1 April 2022 | 28 / 28 |
| May | 8.7°C | −1.9°C | 24.8°C14 May 2016 | −21.4°C3 May 2002 | 27 / 27 |
| June | 16.8°C | 4.4°C | 30.2°C19 June 2018 | −6.9°C4 June 2014 | 26 / 27 |
| July | 19.7°C | 7.4°C | 31.4°C15 July 2016 | −2.0°C2 July 2004 | 26 / 27 |
| August | 16.8°C | 6.1°C | 39.5°C6 August 2015 | −4.6°C29 August 2007 | 24 / 27 |
| September | 10.3°C | 1.1°C | 24.2°C10 September 2023 | −12.3°C18 September 2018 | 25 / 26 |
| October | 0.4°C | −6.0°C | 20.3°C4 October 2003 | −25.3°C26 October 2008 | 24 / 26 |
| November | −11.2°C | −18.9°C | 3.9°C27 November 2002 | −37.6°C30 November 2021 | 26 / 26 |
| December | −18.4°C | −26.1°C | 5.6°C3 December 2020 | −43.6°C18 December 2019 | 26 / 26 |
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 28 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.