MARTICOT ISLAND, NFLD climate by month
Averages and records for each calendar month at MARTICOT ISLAND, NFLD, Canada, from 2005 to 2026. The warmest month is August, averaging 18.8°C; the coolest is February at −0.1°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 0.9°C | −4.5°C | 8.8°C16 January 2026 | −17.5°C3 January 2014 | 13 / 14 |
| February | −0.1°C | −5.5°C | 7.8°C18 February 2022 | −18.1°C26 February 2023 | 13 / 13 |
| March | 1.5°C | −4.0°C | 11.7°C28 March 2009 | −16.1°C4 March 2014 | 13 / 13 |
| April | 5.1°C | −0.3°C | 14.1°C18 April 2006 | −11.7°C9 April 2015 | 12 / 13 |
| May | 8.7°C | 2.7°C | 17.5°C16 May 2025 | −3.4°C2 May 2017 | 11 / 11 |
| June | 12.6°C | 6.9°C | 21.8°C29 June 2014 | −1.1°C3 June 2007 | 11 / 11 |
| July | 16.7°C | 12.1°C | 23.9°C15 July 2010 | 6.1°C7 July 2009 | 10 / 11 |
| August | 18.8°C | 14.2°C | 24.6°C3 August 2014 | 6.1°C29 August 2014 | 10 / 13 |
| September | 16.6°C | 11.0°C | 25.7°C3 September 2010 | 2.6°C25 September 2008 | 10 / 14 |
| October | 12.1°C | 6.9°C | 18.6°C6 October 2023 | −2.5°C30 October 2009 | 10 / 14 |
| November | 7.7°C | 2.7°C | 14.5°C2 November 2014 | −7.9°C30 November 2013 | 11 / 14 |
| December | 3.1°C | −2.4°C | 11.5°C7 December 2021 | −14.8°C26 December 2013 | 12 / 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 10 to 13 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.