ALERT CLIMATE, NU weather by month
Averages and records for each calendar month at ALERT CLIMATE, NU, Canada, from 2004 to 2026. The warmest month is July, averaging 7.0°C; the coolest is March at −25.6°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −24.7°C | −32.0°C | 1.8°C7 January 2026 | −43.4°C31 January 2020 | 21 / 21 |
| February | −25.5°C | −33.1°C | −1.8°C28 February 2006 | −47.4°C22 February 2013 | 21 / 22 |
| March | −25.6°C | −33.0°C | −4.0°C23 March 2013 | −46.8°C1 March 2013 | 21 / 22 |
| April | −18.7°C | −25.9°C | 2.4°C30 April 2021 | −39.0°C5 April 2009 | 21 / 22 |
| May | −7.5°C | −12.9°C | 10.0°C31 May 2012 | −24.6°C1 May 2012 | 22 / 22 |
| June | 2.9°C | −1.8°C | 18.8°C28 June 2020 | −14.3°C1 June 2009 | 20 / 23 |
| July | 7.0°C | 1.1°C | 21.0°C14 July 2019 | −3.0°C1 July 2017 | 22 / 23 |
| August | 4.5°C | −0.8°C | 18.7°C3 August 2011 | −9.2°C24 August 2006 | 20 / 23 |
| September | −4.2°C | −9.5°C | 6.9°C12 September 2024 | −24.2°C30 September 2006 | 21 / 22 |
| October | −12.3°C | −19.1°C | 5.3°C18 October 2006 | −33.7°C31 October 2013 | 20 / 22 |
| November | −19.5°C | −26.5°C | −1.8°C22 November 2017 | −36.8°C26 November 2021 | 21 / 21 |
| December | −22.5°C | −30.1°C | 2.3°C21 December 2021 | −39.8°C28 December 2014 | 21 / 22 |
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 20 to 22 years each.
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Climate at nearby stations
The closest stations with twelve months of archive of their own, nearest first.
- Thule, Greenland
- GRISE FIORD CLIMATE, NU
- Grise Fiord Arpt
- Isachsen Meteorological Aeronautical Presentation System
- Danmarkshavn, Greenland
- Mittarfik Upernavik, Greenland
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.