Fort Norman Arpt climate by month
Averages and records for each calendar month at Fort Norman Arpt, Canada, from 1908 to 2013. The warmest month is July, averaging 22.1°C; the coolest is January at −23.2°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −23.2°C | −31.4°C | 5.6°C15 January 1957 | −53.9°C1 January 1934 | 59 / 74 |
| February | −20.1°C | −29.5°C | 8.3°C27 February 1911 | −54.4°C4 February 1947 | 55 / 71 |
| March | −12.3°C | −24.5°C | 15.0°C23 March 1949 | −50.0°C2 March 1955 | 62 / 69 |
| April | −0.3°C | −13.3°C | 20.6°C9 April 1959 | −40.0°C5 April 1924 | 61 / 70 |
| May | 11.6°C | −1.2°C | 31.7°C28 May 1948 | −23.9°C1 May 1920 | 61 / 71 |
| June | 20.0°C | 6.5°C | 34.4°C10 June 1937 | −5.6°C3 June 1920 | 55 / 69 |
| July | 22.1°C | 9.2°C | 35.0°C24 July 1994 | −3.3°C12 July 1951 | 61 / 67 |
| August | 18.7°C | 6.7°C | 33.3°C8 August 1942 | −7.8°C30 August 1913 | 59 / 71 |
| September | 10.8°C | 1.0°C | 28.5°C23 September 1995 | −15.6°C21 September 1926 | 59 / 67 |
| October | −0.5°C | −7.6°C | 22.8°C4 October 1923 | −32.8°C24 October 1933 | 59 / 66 |
| November | −14.6°C | −21.5°C | 8.3°C21 November 1943 | −49.0°C23 November 1986 | 59 / 70 |
| December | −21.5°C | −29.5°C | 3.0°C17 December 1988 | −53.3°C30 December 1933 | 57 / 70 |
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 55 to 62 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.