Colville Muni climate by month
Averages and records for each calendar month at Colville Muni, United States, from 1937 to 1987. The warmest month is July, averaging 29.5°C; the coolest is January at −0.6°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −0.6°C | −7.9°C | 11.7°C7 January 1945 | −31.1°C18 January 1943 | 49 / 50 |
| February | 4.0°C | −5.1°C | 16.7°C29 February 1968 | −31.1°C1 February 1950 | 48 / 49 |
| March | 9.2°C | −2.4°C | 22.2°C25 March 1960 | −20.6°C13 March 1950 | 49 / 50 |
| April | 15.3°C | 1.1°C | 32.8°C24 April 1977 | −7.8°C29 April 1954 | 48 / 49 |
| May | 20.4°C | 5.1°C | 35.6°C27 May 1958 | −6.7°C1 May 1954 | 50 / 50 |
| June | 24.3°C | 8.6°C | 37.2°C22 June 1973 | −1.1°C4 June 1937 | 50 / 50 |
| July | 29.5°C | 10.5°C | 41.7°C17 July 1941 | 0.6°C7 July 1971 | 48 / 49 |
| August | 28.8°C | 9.9°C | 41.7°C11 August 1941 | 0.6°C24 August 1937 | 48 / 50 |
| September | 23.3°C | 5.9°C | 37.2°C2 September 1950 | −5.0°C28 September 1984 | 49 / 50 |
| October | 14.7°C | 1.2°C | 29.4°C7 October 1943 | −13.3°C31 October 1984 | 48 / 49 |
| November | 4.9°C | −2.8°C | 19.4°C3 November 1975 | −26.7°C28 November 1985 | 46 / 48 |
| December | 0.4°C | −5.9°C | 14.4°C27 December 1980 | −36.1°C30 December 1968 | 47 / 48 |
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 46 to 50 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.