Fitchburg Muni climate by month
Averages and records for each calendar month at Fitchburg Muni, United States, from 1997 to 2026. The warmest month is July, averaging 29.0°C; the coolest is January at 1.6°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 1.6°C | −8.2°C | 21.1°C12 January 2020 | −25.0°C31 January 2026 | 29 / 29 |
| February | 3.4°C | −7.4°C | 26.7°C21 February 2018 | −26.0°C24 February 2015 | 29 / 29 |
| March | 8.3°C | −2.8°C | 31.7°C31 March 1998 | −24.4°C7 March 2003 | 29 / 29 |
| April | 15.3°C | 2.8°C | 34.4°C28 April 2009 | −9.3°C6 April 2016 | 29 / 29 |
| May | 21.3°C | 8.7°C | 36.7°C26 May 2010 | −1.7°C7 May 2001 | 29 / 29 |
| June | 25.9°C | 14.0°C | 37.8°C24 June 2025 | 2.2°C1 June 2009 | 29 / 29 |
| July | 29.0°C | 17.1°C | 39.4°C22 July 2011 | 8.3°C31 July 2001 | 29 / 29 |
| August | 28.0°C | 16.1°C | 37.8°C2 August 2006 | 7.2°C24 August 2003 | 29 / 29 |
| September | 24.1°C | 11.8°C | 35.6°C11 September 2013 | −2.2°C29 September 2000 | 26 / 29 |
| October | 17.0°C | 5.1°C | 30.6°C5 October 2007 | −9.3°C31 October 2020 | 29 / 29 |
| November | 10.6°C | −0.4°C | 26.7°C6 November 2024 | −13.8°C22 November 2018 | 29 / 29 |
| December | 4.7°C | −5.0°C | 23.3°C7 December 1998 | −21.6°C23 December 2008 | 29 / 29 |
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 26 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.