Comox climate by month
Averages and records for each calendar month at Comox, Canada, from 1944 to 2026. The warmest month is July, averaging 22.9°C; the coolest is January at 5.7°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 5.7°C | 0.5°C | 16.7°C20 January 1968 | −21.1°C31 January 1950 | 82 / 82 |
| February | 7.1°C | 0.9°C | 16.3°C27 February 1986 | −16.1°C5 February 1949 | 82 / 82 |
| March | 9.3°C | 2.0°C | 19.6°C20 March 2019 | −13.9°C10 March 1951 | 82 / 82 |
| April | 12.7°C | 4.3°C | 26.8°C30 April 1998 | −4.4°C1 April 1948 | 82 / 82 |
| May | 17.0°C | 7.7°C | 31.9°C14 May 2023 | −2.8°C1 May 1954 | 81 / 81 |
| June | 19.9°C | 10.9°C | 38.0°C27 June 2021 | 0.5°C5 June 1988 | 81 / 81 |
| July | 22.9°C | 12.9°C | 35.2°C28 July 2009 | 5.0°C6 July 1952 | 82 / 82 |
| August | 22.6°C | 12.7°C | 35.4°C12 August 2021 | 4.4°C20 August 1947 | 82 / 82 |
| September | 18.8°C | 9.6°C | 31.7°C4 September 2017 | −1.7°C27 September 1972 | 81 / 82 |
| October | 13.0°C | 5.8°C | 23.0°C1 October 2022 | −4.8°C31 October 1984 | 81 / 81 |
| November | 8.5°C | 2.7°C | 17.9°C4 November 2023 | −13.3°C27 November 1985 | 81 / 81 |
| December | 6.1°C | 1.0°C | 17.4°C24 December 2005 | −15.0°C28 December 1968 | 80 / 81 |
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 80 to 82 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.