MARY'S HARBOUR, NFLD climate by month
Averages and records for each calendar month at MARY'S HARBOUR, NFLD, Canada, from 1993 to 2013. The warmest month is July, averaging 19.2°C; the coolest is January at −6.7°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −6.7°C | −16.4°C | 9.6°C19 January 1996 | −33.7°C13 January 1995 | 17 / 21 |
| February | −5.4°C | −15.9°C | 8.5°C28 February 2000 | −31.1°C16 February 2004 | 14 / 20 |
| March | −2.0°C | −11.5°C | 10.2°C28 March 1999 | −28.2°C9 March 1997 | 17 / 19 |
| April | 2.9°C | −4.3°C | 19.5°C30 April 2013 | −21.2°C1 April 2008 | 18 / 21 |
| May | 8.8°C | −0.1°C | 29.1°C22 May 2012 | −12.2°C1 May 2001 | 17 / 19 |
| June | 14.8°C | 4.4°C | 32.2°C11 June 1999 | −3.0°C1 June 2007 | 17 / 19 |
| July | 19.2°C | 8.6°C | 32.0°C19 July 2005 | 0.5°C11 July 1998 | 15 / 20 |
| August | 19.0°C | 9.3°C | 33.9°C11 August 1995 | 0.6°C29 August 2013 | 18 / 20 |
| September | 14.9°C | 5.6°C | 33.2°C3 September 2008 | −3.4°C25 September 2008 | 18 / 21 |
| October | 7.9°C | 0.9°C | 22.5°C4 October 2005 | −7.7°C30 October 1999 | 18 / 21 |
| November | 2.4°C | −4.8°C | 16.8°C6 November 2010 | −18.4°C30 November 1995 | 17 / 21 |
| December | −2.5°C | −10.5°C | 8.9°C1 December 2005 | −30.4°C28 December 2008 | 17 / 20 |
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 14 to 18 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.