Windom Muni climate by month
Averages and records for each calendar month at Windom Muni, United States, from 1905 to 2026. The warmest month is July, averaging 29.2°C; the coolest is January at −4.4°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −4.4°C | −15.4°C | 18.3°C24 January 1981 | −37.8°C7 January 1988 | 98 / 98 |
| February | −1.6°C | −12.8°C | 19.4°C27 February 2024 | −35.6°C2 February 1917 | 97 / 98 |
| March | 5.3°C | −5.8°C | 29.4°C29 March 2025 | −34.4°C11 March 1948 | 96 / 97 |
| April | 14.2°C | 1.4°C | 34.4°C28 April 1910 | −14.4°C3 April 1975 | 94 / 97 |
| May | 21.3°C | 7.9°C | 37.8°C28 May 2018 | −6.7°C3 May 1967 | 94 / 98 |
| June | 26.5°C | 13.8°C | 39.4°C22 June 1988 | −1.1°C9 June 1915 | 97 / 98 |
| July | 29.2°C | 16.3°C | 40.0°C24 July 1941 | 5.0°C3 July 1917 | 96 / 96 |
| August | 27.7°C | 15.0°C | 40.6°C1 August 1988 | −1.1°C20 August 1908 | 99 / 100 |
| September | 23.5°C | 9.9°C | 37.8°C6 September 1976 | −7.8°C22 September 1913 | 100 / 100 |
| October | 16.4°C | 3.0°C | 33.9°C2 October 2023 | −14.4°C21 October 1913 | 98 / 99 |
| November | 6.3°C | −4.5°C | 27.2°C5 November 2020 | −27.2°C28 November 1952 | 97 / 101 |
| December | −1.6°C | −11.8°C | 19.4°C9 December 1939 | −34.4°C26 December 1914 | 97 / 99 |
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 94 to 100 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.