Dewar Lakes climate by month
Averages and records for each calendar month at Dewar Lakes, Canada, from 1958 to 2023. The warmest month is July, averaging 9.3°C; the coolest is February at −23.9°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −23.1°C | −29.8°C | 0.4°C18 January 1985 | −49.4°C14 January 1975 | 54 / 61 |
| February | −23.9°C | −30.9°C | 0.0°C4 February 1963 | −50.7°C16 February 1979 | 48 / 65 |
| March | −22.4°C | −29.0°C | 0.0°C18 March 2013 | −48.3°C11 March 1964 | 59 / 65 |
| April | −15.6°C | −21.9°C | 2.3°C30 April 2019 | −39.8°C10 April 1983 | 59 / 63 |
| May | −6.3°C | −11.7°C | 9.9°C31 May 2019 | −29.4°C6 May 1970 | 59 / 64 |
| June | 2.5°C | −2.4°C | 17.2°C29 June 1975 | −17.2°C8 June 1963 | 61 / 63 |
| July | 9.3°C | 3.0°C | 23.2°C25 July 1988 | −6.3°C18 July 1978 | 60 / 62 |
| August | 6.9°C | 1.6°C | 20.6°C13 August 1966 | −7.5°C29 August 1981 | 58 / 63 |
| September | −0.6°C | −4.5°C | 11.1°C2 September 1966 | −18.0°C25 September 1992 | 60 / 63 |
| October | −7.4°C | −12.4°C | 3.3°C7 October 1968 | −33.0°C29 October 1978 | 60 / 63 |
| November | −14.5°C | −20.7°C | −0.1°C7 November 1997 | −40.6°C30 November 1967 | 58 / 64 |
| December | −20.1°C | −26.3°C | 0.0°C29 December 1976 | −45.0°C8 December 1968 | 56 / 62 |
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 48 to 61 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.