Yarmouth Arpt climate by month
Averages and records for each calendar month at Yarmouth Arpt, Canada, from 1940 to 2012. The warmest month is August, averaging 20.8°C; the coolest is February at 0.7°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 0.9°C | −6.5°C | 14.0°C16 January 1995 | −21.3°C27 January 1994 | 72 / 72 |
| February | 0.7°C | −6.5°C | 12.8°C2 February 1976 | −23.6°C7 February 1993 | 72 / 73 |
| March | 3.8°C | −3.2°C | 18.3°C19 March 2012 | −17.6°C7 March 1989 | 73 / 73 |
| April | 8.5°C | 1.1°C | 22.4°C28 April 1990 | −10.8°C5 April 1995 | 72 / 73 |
| May | 13.6°C | 5.4°C | 24.9°C18 May 1989 | −2.2°C10 May 1972 | 71 / 72 |
| June | 17.7°C | 9.4°C | 28.3°C17 June 1957 | 1.7°C3 June 1945 | 71 / 72 |
| July | 20.7°C | 12.5°C | 30.0°C17 July 1968 | 5.8°C8 July 1977 | 72 / 72 |
| August | 20.8°C | 12.6°C | 30.3°C27 August 1993 | 5.0°C31 August 1965 | 71 / 72 |
| September | 18.0°C | 9.8°C | 29.4°C2 September 1969 | −2.3°C29 September 1980 | 71 / 72 |
| October | 13.3°C | 5.7°C | 25.0°C9 October 1970 | −3.9°C22 October 1974 | 71 / 72 |
| November | 8.7°C | 1.8°C | 19.3°C3 November 2007 | −9.3°C25 November 1993 | 70 / 72 |
| December | 3.6°C | −3.7°C | 16.5°C13 December 2010 | −20.0°C20 December 1942 | 72 / 72 |
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 70 to 73 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.