Port Hope climate by month
Averages and records for each calendar month at Port Hope, United States, from 1999 to 2026. The warmest month is July, averaging 25.4°C; the coolest is January at −0.8°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −0.8°C | −6.8°C | 16.7°C7 January 2008 | −21.6°C6 January 2018 | 26 / 27 |
| February | −0.2°C | −7.3°C | 22.8°C27 February 2024 | −26.6°C20 February 2015 | 26 / 27 |
| March | 4.5°C | −2.8°C | 28.3°C21 March 2012 | −19.3°C6 March 2014 | 25 / 27 |
| April | 10.5°C | 2.2°C | 31.1°C16 April 2002 | −7.7°C6 April 2007 | 26 / 27 |
| May | 16.4°C | 7.4°C | 32.8°C31 May 2011 | −2.7°C13 May 2020 | 24 / 27 |
| June | 22.2°C | 13.4°C | 36.1°C15 June 2022 | 3.3°C4 June 2009 | 25 / 27 |
| July | 25.4°C | 17.0°C | 35.6°C17 July 2012 | 8.3°C2 July 2007 | 27 / 27 |
| August | 24.8°C | 16.8°C | 36.1°C9 August 2001 | 7.8°C31 August 2009 | 27 / 27 |
| September | 21.9°C | 13.5°C | 35.6°C8 September 2000 | 2.2°C19 September 2020 | 27 / 28 |
| October | 15.1°C | 7.6°C | 32.8°C20 October 2000 | −3.8°C31 October 2020 | 26 / 27 |
| November | 8.3°C | 1.7°C | 25.0°C9 November 2020 | −11.0°C13 November 2019 | 25 / 27 |
| December | 2.0°C | −3.3°C | 19.4°C5 December 2001 | −18.9°C22 December 2000 | 27 / 27 |
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 27 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.