Benton Harbor/SW Michigan Rgnl climate by month
Averages and records for each calendar month at Benton Harbor/SW Michigan Rgnl, United States, from 1996 to 2026. The warmest month is July, averaging 27.4°C; the coolest is January at 0.6°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 0.6°C | −6.5°C | 18.9°C7 January 2008 | −27.1°C20 January 2009 | 30 / 30 |
| February | 2.3°C | −5.8°C | 22.8°C27 February 2024 | −23.9°C1 February 2026 | 30 / 30 |
| March | 8.0°C | −1.9°C | 28.9°C21 March 2012 | −22.7°C3 March 2014 | 30 / 30 |
| April | 14.4°C | 2.8°C | 30.6°C18 April 2002 | −9.4°C10 April 1997 | 29 / 30 |
| May | 20.2°C | 8.2°C | 35.6°C28 May 2018 | −3.9°C4 May 2005 | 29 / 30 |
| June | 25.6°C | 13.8°C | 35.6°C25 June 1998 | 0.0°C8 June 1998 | 30 / 30 |
| July | 27.4°C | 16.1°C | 39.4°C30 July 1999 | 2.8°C11 July 1996 | 31 / 31 |
| August | 26.6°C | 15.4°C | 36.7°C21 August 2003 | 5.6°C15 August 2004 | 30 / 31 |
| September | 23.5°C | 11.7°C | 35.0°C4 September 1999 | 0.0°C30 September 2004 | 30 / 31 |
| October | 16.7°C | 6.2°C | 30.6°C3 October 2018 | −5.0°C29 October 2005 | 30 / 30 |
| November | 9.5°C | 1.3°C | 25.0°C9 November 2020 | −13.2°C22 November 2008 | 30 / 30 |
| December | 3.5°C | −3.1°C | 21.7°C5 December 2001 | −21.1°C13 December 2000 | 30 / 30 |
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 29 to 31 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.