FORT FRANCES RCS, ONT climate by month
Averages and records for each calendar month at FORT FRANCES RCS, ONT, Canada, from 2007 to 2026. The warmest month is July, averaging 25.6°C; the coolest is January at −9.0°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −9.0°C | −20.8°C | 10.1°C31 January 2024 | −44.7°C27 January 2019 | 19 / 19 |
| February | −6.7°C | −21.0°C | 13.2°C17 February 2017 | −43.9°C24 February 2022 | 19 / 19 |
| March | 2.0°C | −11.4°C | 26.4°C18 March 2012 | −37.3°C3 March 2014 | 19 / 19 |
| April | 9.0°C | −3.3°C | 26.8°C30 April 2018 | −21.8°C7 April 2023 | 18 / 19 |
| May | 17.7°C | 3.5°C | 33.5°C11 May 2025 | −7.8°C12 May 2020 | 18 / 18 |
| June | 22.9°C | 9.4°C | 35.9°C4 June 2021 | −2.4°C6 June 2009 | 17 / 18 |
| July | 25.6°C | 11.8°C | 36.1°C12 July 2026 | 1.7°C6 July 2023 | 18 / 18 |
| August | 24.3°C | 10.5°C | 33.1°C18 August 2021 | −0.5°C24 August 2017 | 18 / 18 |
| September | 19.5°C | 6.5°C | 32.1°C2 September 2023 | −6.5°C18 September 2020 | 17 / 18 |
| October | 11.1°C | 0.7°C | 30.8°C11 October 2015 | −14.0°C20 October 2020 | 17 / 18 |
| November | 1.8°C | −7.3°C | 22.0°C4 November 2020 | −28.8°C27 November 2014 | 18 / 18 |
| December | −6.8°C | −16.8°C | 10.0°C14 December 2023 | −39.2°C27 December 2017 | 18 / 18 |
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 17 to 19 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.