Castlegar Airport weather by month
Averages and records for each calendar month at Castlegar Airport, Canada, from 1965 to 2026. The warmest month is July, averaging 29.0°C; the coolest is January at 0.1°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 0.1°C | −4.6°C | 10.0°C16 January 1974 | −26.2°C13 January 2024 | 61 / 61 |
| February | 3.1°C | −3.8°C | 14.3°C21 February 1988 | −21.5°C5 February 2014 | 60 / 61 |
| March | 8.9°C | −1.1°C | 23.1°C30 March 2004 | −18.0°C3 March 2019 | 60 / 61 |
| April | 15.0°C | 2.0°C | 28.5°C29 April 2023 | −7.5°C1 April 1979 | 59 / 60 |
| May | 20.3°C | 6.4°C | 34.5°C18 May 2006 | −4.7°C1 May 2013 | 60 / 60 |
| June | 24.0°C | 10.0°C | 44.0°C30 June 2021 | 1.6°C11 June 2008 | 60 / 60 |
| July | 29.0°C | 12.3°C | 42.0°C1 July 2021 | 4.1°C3 July 1979 | 60 / 60 |
| August | 28.7°C | 11.8°C | 41.2°C15 August 2023 | 2.5°C25 August 1992 | 60 / 60 |
| September | 22.1°C | 7.8°C | 37.0°C2 September 2022 | −4.3°C28 September 1984 | 60 / 60 |
| October | 12.9°C | 3.0°C | 27.2°C7 October 1980 | −11.3°C31 October 2002 | 59 / 60 |
| November | 4.9°C | −0.6°C | 19.4°C4 November 1975 | −20.2°C21 November 1977 | 58 / 60 |
| December | 0.3°C | −4.1°C | 14.5°C1 December 2021 | −30.6°C30 December 1968 | 61 / 61 |
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 58 to 61 years each.
See what Castlegar Airport is doing right now
Climate at nearby stations
The closest stations with twelve months of archive of their own, nearest first.
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.