Mansfield/Lahm Rgnl climate by month
Averages and records for each calendar month at Mansfield/Lahm Rgnl, United States, from 1948 to 2026. The warmest month is July, averaging 27.9°C; the coolest is January at 0.6°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 0.6°C | −7.5°C | 20.6°C25 January 1950 | −30.0°C20 January 1985 | 75 / 75 |
| February | 2.3°C | −6.4°C | 23.3°C24 February 2017 | −23.9°C2 February 1951 | 75 / 75 |
| March | 8.1°C | −1.9°C | 28.9°C22 March 2012 | −21.1°C2 March 1980 | 75 / 75 |
| April | 15.1°C | 3.7°C | 30.0°C27 April 1986 | −13.3°C7 April 1982 | 75 / 75 |
| May | 21.0°C | 9.4°C | 33.3°C18 May 1962 | −3.9°C10 May 1966 | 75 / 75 |
| June | 25.9°C | 14.5°C | 38.3°C25 June 1988 | 2.8°C5 June 1990 | 75 / 75 |
| July | 27.9°C | 16.8°C | 37.8°C7 July 1988 | 6.1°C1 July 1988 | 74 / 74 |
| August | 26.9°C | 15.9°C | 36.1°C17 August 1988 | 4.4°C29 August 1965 | 74 / 74 |
| September | 23.4°C | 12.1°C | 36.1°C2 September 1953 | 0.6°C24 September 1989 | 73 / 74 |
| October | 17.0°C | 6.3°C | 32.2°C1 October 2019 | −6.7°C28 October 1976 | 73 / 73 |
| November | 9.4°C | 0.7°C | 26.1°C1 November 2016 | −16.7°C30 November 1976 | 73 / 73 |
| December | 3.0°C | −4.5°C | 22.8°C3 December 1982 | −27.2°C22 December 1989 | 75 / 75 |
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 73 to 75 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.