Worcester Muni climate by month
Averages and records for each calendar month at Worcester Muni, United States, from 1948 to 2026. The warmest month is July, averaging 26.4°C; the coolest is January at −0.1°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −0.1°C | −8.4°C | 19.4°C26 January 1950 | −28.3°C15 January 1957 | 78 / 78 |
| February | 1.3°C | −7.5°C | 21.7°C21 February 2018 | −26.6°C14 February 2016 | 78 / 78 |
| March | 5.9°C | −3.3°C | 28.9°C31 March 1998 | −21.1°C4 March 1950 | 78 / 78 |
| April | 12.8°C | 2.4°C | 32.8°C19 April 1976 | −11.7°C7 April 1982 | 78 / 78 |
| May | 19.1°C | 8.1°C | 34.4°C26 May 2010 | −2.2°C8 May 1956 | 78 / 78 |
| June | 23.7°C | 13.2°C | 36.7°C26 June 1952 | 2.2°C3 June 1986 | 79 / 79 |
| July | 26.4°C | 16.5°C | 35.6°C23 July 1952 | 6.1°C1 July 1988 | 79 / 79 |
| August | 25.3°C | 15.7°C | 36.7°C26 August 1948 | 3.3°C30 August 1965 | 79 / 79 |
| September | 21.1°C | 11.4°C | 37.2°C2 September 1953 | −1.1°C27 September 1957 | 78 / 79 |
| October | 15.2°C | 5.7°C | 29.4°C15 October 1956 | −6.7°C24 October 1969 | 78 / 78 |
| November | 8.7°C | 0.4°C | 26.1°C2 November 1950 | −14.4°C24 November 1989 | 78 / 78 |
| December | 2.4°C | −5.4°C | 22.2°C7 December 1998 | −25.0°C30 December 1962 | 78 / 78 |
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 78 to 79 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.