Peterborough Muni climate by month
Averages and records for each calendar month at Peterborough Muni, Canada, from 2010 to 2026. The warmest month is July, averaging 27.3°C; the coolest is January at −2.2°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −2.2°C | −11.9°C | 12.6°C30 January 2013 | −34.1°C21 January 2022 | 16 / 16 |
| February | −1.5°C | −12.6°C | 17.7°C23 February 2017 | −31.4°C4 February 2023 | 13 / 16 |
| March | 4.7°C | −6.3°C | 26.0°C22 March 2012 | −29.3°C4 March 2014 | 16 / 16 |
| April | 11.6°C | −0.3°C | 28.6°C13 April 2023 | −10.8°C5 April 2018 | 15 / 16 |
| May | 19.6°C | 5.9°C | 31.4°C26 May 2020 | −5.0°C9 May 2020 | 14 / 15 |
| June | 24.1°C | 10.6°C | 33.6°C30 June 2018 | 1.2°C14 June 2020 | 15 / 15 |
| July | 27.3°C | 13.4°C | 34.4°C17 July 2012 | 6.5°C4 July 2022 | 15 / 15 |
| August | 25.8°C | 12.1°C | 35.9°C12 August 2016 | 3.7°C29 August 2012 | 15 / 15 |
| September | 22.2°C | 7.7°C | 32.9°C24 September 2017 | −3.1°C19 September 2020 | 14 / 16 |
| October | 14.8°C | 2.9°C | 29.7°C3 October 2023 | −9.9°C31 October 2020 | 15 / 15 |
| November | 7.2°C | −3.3°C | 22.9°C5 November 2022 | −22.9°C13 November 2019 | 15 / 15 |
| December | 0.9°C | −7.2°C | 16.1°C11 December 2021 | −31.8°C31 December 2017 | 15 / 15 |
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 13 to 16 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.