Greenville Muni climate by month
Averages and records for each calendar month at Greenville Muni, United States, from 1998 to 2026. The warmest month is July, averaging 24.3°C; the coolest is January at −5.1°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −5.1°C | −13.8°C | 14.4°C8 January 2008 | −30.6°C14 January 1999 | 27 / 28 |
| February | −3.4°C | −13.0°C | 12.8°C21 February 2018 | −31.1°C18 February 2000 | 27 / 28 |
| March | 1.7°C | −7.7°C | 24.4°C21 March 2012 | −31.1°C2 March 2001 | 29 / 29 |
| April | 8.6°C | −1.0°C | 29.4°C28 April 2009 | −14.9°C4 April 2016 | 29 / 29 |
| May | 16.6°C | 5.6°C | 32.2°C18 May 2017 | −3.9°C1 May 2000 | 29 / 29 |
| June | 21.2°C | 11.0°C | 33.9°C19 June 2024 | 1.1°C1 June 2020 | 29 / 29 |
| July | 24.3°C | 14.3°C | 32.2°C3 July 2002 | 5.6°C28 July 2001 | 28 / 29 |
| August | 23.5°C | 13.5°C | 33.3°C12 August 2025 | 3.9°C25 August 2001 | 28 / 29 |
| September | 19.4°C | 9.5°C | 33.3°C9 September 2002 | −2.8°C29 September 2000 | 27 / 29 |
| October | 11.8°C | 3.6°C | 27.8°C6 October 2025 | −6.6°C29 October 2013 | 28 / 28 |
| November | 4.4°C | −2.6°C | 23.3°C10 November 2020 | −18.8°C22 November 2018 | 28 / 28 |
| December | −1.9°C | −9.4°C | 15.0°C6 December 2001 | −26.6°C16 December 2016 | 28 / 28 |
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 27 to 29 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.