Salem Muni climate by month
Averages and records for each calendar month at Salem Muni, United States, from 1893 to 2026. The warmest month is July, averaging 27.9°C; the coolest is January at 8.0°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 8.0°C | 0.9°C | 20.0°C7 January 1896 | −23.3°C31 January 1950 | 133 / 134 |
| February | 10.4°C | 1.6°C | 22.2°C28 February 1968 | −20.0°C3 February 1899 | 132 / 133 |
| March | 13.1°C | 2.7°C | 26.7°C29 March 1923 | −11.1°C1 March 1971 | 132 / 133 |
| April | 16.3°C | 4.3°C | 33.9°C28 April 1926 | −5.0°C13 April 1968 | 133 / 133 |
| May | 20.0°C | 6.9°C | 37.8°C28 May 1983 | −3.9°C1 May 1954 | 134 / 134 |
| June | 23.4°C | 9.7°C | 47.2°C28 June 2021 | 0.0°C6 June 1899 | 134 / 134 |
| July | 27.9°C | 11.3°C | 42.2°C23 July 1927 | 1.7°C3 July 1899 | 132 / 132 |
| August | 27.8°C | 11.4°C | 42.2°C9 August 1981 | −1.1°C30 August 1920 | 132 / 133 |
| September | 24.3°C | 9.1°C | 40.0°C2 September 1988 | −3.3°C25 September 1934 | 131 / 133 |
| October | 17.9°C | 6.0°C | 33.9°C2 October 1970 | −7.2°C27 October 1919 | 132 / 133 |
| November | 11.5°C | 3.4°C | 23.3°C3 November 2010 | −12.8°C15 November 1955 | 131 / 132 |
| December | 8.2°C | 1.6°C | 22.2°C9 December 1929 | −24.4°C8 December 1972 | 132 / 133 |
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 131 to 134 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.