Petawawa Arpt climate by month
Averages and records for each calendar month at Petawawa Arpt, Canada, from 1970 to 2008. The warmest month is July, averaging 26.3°C; the coolest is January at −6.4°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −6.4°C | −18.5°C | 10.0°C11 January 1975 | −41.1°C24 January 1976 | 36 / 37 |
| February | −3.9°C | −17.4°C | 12.7°C27 February 2000 | −39.4°C14 February 1970 | 35 / 37 |
| March | 2.1°C | −10.3°C | 24.5°C30 March 1977 | −33.8°C2 March 1980 | 35 / 37 |
| April | 11.1°C | −2.1°C | 32.0°C26 April 1990 | −19.1°C7 April 2003 | 36 / 37 |
| May | 19.2°C | 4.3°C | 33.9°C20 May 1975 | −7.5°C4 May 1986 | 35 / 36 |
| June | 23.7°C | 9.3°C | 36.4°C14 June 1988 | −2.5°C10 June 1980 | 36 / 38 |
| July | 26.3°C | 11.9°C | 38.5°C20 July 1977 | 2.0°C2 July 1992 | 36 / 38 |
| August | 24.8°C | 10.9°C | 38.9°C1 August 1975 | −1.1°C31 August 1976 | 34 / 37 |
| September | 19.7°C | 6.4°C | 35.6°C9 September 2002 | −5.2°C30 September 1991 | 34 / 36 |
| October | 12.3°C | 1.1°C | 29.6°C5 October 2005 | −12.6°C20 October 1992 | 35 / 36 |
| November | 4.2°C | −4.4°C | 19.2°C3 November 1977 | −27.2°C29 November 1995 | 35 / 36 |
| December | −3.4°C | −14.1°C | 15.4°C3 December 1982 | −37.9°C20 December 1983 | 33 / 36 |
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 33 to 36 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.