Moncton Intl climate by month
Averages and records for each calendar month at Moncton Intl, Canada, from 2012 to 2024. The warmest month is July, averaging 26.1°C; the coolest is January at −2.4°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −2.4°C | −11.7°C | 16.7°C13 January 2018 | −28.1°C2 January 2014 | 12 / 12 |
| February | −1.7°C | −11.6°C | 13.9°C25 February 2016 | −28.4°C4 February 2023 | 11 / 12 |
| March | 2.1°C | −7.1°C | 17.2°C24 March 2021 | −23.7°C4 March 2014 | 12 / 12 |
| April | 9.0°C | −1.4°C | 21.8°C27 April 2017 | −13.9°C6 April 2015 | 11 / 12 |
| May | 16.6°C | 3.7°C | 31.8°C28 May 2023 | −4.4°C7 May 2022 | 11 / 11 |
| June | 21.7°C | 9.5°C | 35.6°C19 June 2020 | −3.2°C4 June 2018 | 11 / 12 |
| July | 26.1°C | 14.1°C | 34.3°C15 July 2013 | 6.9°C23 July 2017 | 12 / 12 |
| August | 25.4°C | 13.5°C | 33.7°C7 August 2022 | 5.2°C25 August 2019 | 11 / 12 |
| September | 20.9°C | 9.0°C | 32.0°C7 September 2015 | −1.9°C25 September 2018 | 12 / 12 |
| October | 14.4°C | 3.8°C | 24.9°C5 October 2023 | −6.8°C30 October 2013 | 12 / 12 |
| November | 6.2°C | −2.6°C | 23.7°C10 November 2020 | −15.3°C22 November 2018 | 11 / 12 |
| December | 0.9°C | −7.3°C | 16.0°C6 December 2021 | −22.4°C14 December 2013 | 11 / 12 |
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 11 to 12 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.