Gillam Arpt climate by month
Averages and records for each calendar month at Gillam Arpt, Canada, from 1970 to 2014. The warmest month is July, averaging 21.7°C; the coolest is January at −20.3°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −20.3°C | −29.5°C | 2.9°C7 January 2003 | −46.1°C21 January 1975 | 42 / 44 |
| February | −16.2°C | −27.6°C | 4.6°C22 February 1996 | −45.0°C16 February 1972 | 43 / 44 |
| March | −8.4°C | −21.9°C | 12.4°C31 March 2010 | −42.6°C8 March 1995 | 43 / 44 |
| April | 1.9°C | −10.9°C | 28.7°C30 April 1980 | −33.0°C5 April 2008 | 44 / 44 |
| May | 10.1°C | −2.0°C | 32.4°C27 May 1986 | −22.8°C15 May 1983 | 43 / 44 |
| June | 18.1°C | 5.0°C | 36.8°C29 June 2002 | −6.6°C2 June 2013 | 43 / 44 |
| July | 21.7°C | 9.5°C | 36.4°C11 July 2012 | −1.7°C2 July 1972 | 43 / 44 |
| August | 19.7°C | 8.5°C | 35.1°C11 August 1991 | −1.7°C23 August 1979 | 43 / 44 |
| September | 12.2°C | 3.1°C | 31.0°C1 September 1996 | −9.1°C29 September 1981 | 43 / 44 |
| October | 3.5°C | −3.5°C | 26.6°C6 October 2011 | −26.9°C30 October 1997 | 42 / 45 |
| November | −7.6°C | −15.7°C | 9.5°C1 November 1978 | −39.4°C24 November 1989 | 42 / 43 |
| December | −17.5°C | −26.5°C | 2.6°C25 December 1999 | −45.1°C24 December 2004 | 42 / 44 |
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 42 to 44 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.