HAY RIVER CLIMATE, NWT weather by month
Averages and records for each calendar month at HAY RIVER CLIMATE, NWT, Canada, from 2003 to 2026. The warmest month is July, averaging 22.1°C; the coolest is January at −16.0°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −16.0°C | −24.9°C | 8.9°C14 January 2026 | −42.6°C31 January 2008 | 22 / 23 |
| February | −14.5°C | −24.9°C | 9.4°C15 February 2010 | −42.6°C6 February 2021 | 23 / 23 |
| March | −8.7°C | −20.4°C | 17.6°C19 March 2019 | −39.0°C24 March 2026 | 23 / 23 |
| April | 2.1°C | −8.6°C | 25.9°C21 April 2010 | −31.8°C3 April 2008 | 23 / 23 |
| May | 12.2°C | 1.0°C | 34.3°C29 May 2025 | −13.6°C4 May 2019 | 23 / 23 |
| June | 18.7°C | 7.8°C | 33.8°C27 June 2021 | −3.0°C8 June 2014 | 23 / 23 |
| July | 22.1°C | 12.0°C | 35.1°C10 July 2012 | 0.7°C9 July 2009 | 22 / 23 |
| August | 20.4°C | 10.3°C | 34.7°C12 August 2024 | −0.8°C25 August 2007 | 23 / 24 |
| September | 14.7°C | 5.1°C | 30.2°C12 September 2013 | −6.9°C21 September 2018 | 24 / 24 |
| October | 5.2°C | −1.8°C | 25.2°C4 October 2003 | −17.8°C31 October 2012 | 23 / 24 |
| November | −6.8°C | −14.1°C | 11.7°C19 November 2005 | −33.9°C26 November 2006 | 23 / 23 |
| December | −14.4°C | −22.5°C | 9.5°C3 December 2020 | −39.5°C31 December 2013 | 23 / 23 |
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 22 to 24 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.