Port Hardy Arpt climate by month
Averages and records for each calendar month at Port Hardy Arpt, Canada, from 1944 to 2025. The warmest month is August, averaging 17.7°C; the coolest is January at 5.5°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 5.5°C | 0.7°C | 13.8°C27 January 2015 | −14.4°C14 January 1950 | 69 / 81 |
| February | 6.9°C | 1.2°C | 16.7°C27 February 1968 | −11.8°C2 February 1989 | 68 / 81 |
| March | 8.2°C | 1.6°C | 19.8°C29 March 1994 | −12.8°C6 March 1951 | 68 / 81 |
| April | 10.8°C | 3.0°C | 23.3°C27 April 1987 | −3.4°C18 April 2022 | 68 / 81 |
| May | 13.7°C | 5.6°C | 28.3°C23 May 1969 | −1.5°C1 May 2013 | 69 / 82 |
| June | 15.7°C | 8.4°C | 28.6°C18 June 2004 | 1.7°C1 June 1972 | 69 / 81 |
| July | 17.5°C | 10.2°C | 26.8°C6 July 2015 | 2.8°C3 July 1949 | 68 / 81 |
| August | 17.7°C | 10.4°C | 28.7°C15 August 2010 | 3.3°C19 August 1973 | 69 / 82 |
| September | 15.6°C | 8.3°C | 26.8°C6 September 2017 | −1.2°C30 September 2019 | 68 / 81 |
| October | 11.7°C | 5.6°C | 25.6°C1 October 1987 | −5.4°C31 October 1984 | 68 / 81 |
| November | 7.9°C | 2.8°C | 18.9°C2 November 1949 | −12.5°C27 November 1985 | 68 / 81 |
| December | 5.9°C | 1.2°C | 14.8°C26 December 1980 | −12.2°C28 December 1968 | 67 / 81 |
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 67 to 69 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.