Alert Arpt climate by month
Averages and records for each calendar month at Alert Arpt, Canada, from 1950 to 2006. The warmest month is July, averaging 6.3°C; the coolest is February at −29.5°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −28.4°C | −35.8°C | 0.0°C23 January 1958 | −48.9°C7 January 1966 | 56 / 56 |
| February | −29.5°C | −37.2°C | 1.1°C26 February 1965 | −50.0°C9 February 1979 | 56 / 56 |
| March | −28.9°C | −36.7°C | −2.2°C12 March 1957 | −49.4°C15 March 1970 | 56 / 56 |
| April | −20.6°C | −28.5°C | −0.2°C23 April 1978 | −45.6°C2 April 1954 | 56 / 56 |
| May | −8.5°C | −14.6°C | 7.8°C25 May 1951 | −29.0°C2 May 1989 | 56 / 56 |
| June | 1.7°C | −3.1°C | 18.2°C30 June 2000 | −13.9°C3 June 1963 | 56 / 56 |
| July | 6.3°C | 0.7°C | 20.0°C8 July 1956 | −6.3°C28 July 1982 | 57 / 57 |
| August | 3.4°C | −1.7°C | 19.5°C1 August 1990 | −15.0°C30 August 1952 | 57 / 57 |
| September | −6.3°C | −12.4°C | 11.2°C26 September 1989 | −28.2°C30 September 1979 | 57 / 57 |
| October | −15.7°C | −22.9°C | 4.4°C8 October 1968 | −39.4°C31 October 1962 | 56 / 57 |
| November | −22.6°C | −30.0°C | 0.6°C7 November 1963 | −43.5°C19 November 1980 | 56 / 56 |
| December | −25.9°C | −33.6°C | 3.2°C22 December 1978 | −46.1°C20 December 1951 | 56 / 56 |
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 56 to 57 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.