Manchester Rgnl climate by month
Averages and records for each calendar month at Manchester Rgnl, United States, from 1948 to 2026. The warmest month is July, averaging 29.1°C; the coolest is January at 1.2°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 1.2°C | −7.9°C | 21.1°C13 January 2018 | −27.2°C14 January 1954 | 35 / 35 |
| February | 3.0°C | −7.1°C | 25.0°C21 February 2018 | −28.9°C13 February 1967 | 35 / 35 |
| March | 7.7°C | −2.6°C | 31.7°C31 March 1998 | −23.3°C19 March 1967 | 35 / 36 |
| April | 14.9°C | 3.2°C | 34.4°C17 April 2002 | −10.6°C4 April 1954 | 35 / 35 |
| May | 21.1°C | 8.8°C | 36.1°C26 May 2010 | −3.9°C18 May 2002 | 35 / 35 |
| June | 25.9°C | 14.1°C | 38.9°C24 June 2025 | 3.3°C1 June 1953 | 35 / 36 |
| July | 29.1°C | 17.4°C | 39.4°C22 July 2011 | 7.8°C17 July 1954 | 35 / 36 |
| August | 27.9°C | 16.2°C | 37.8°C10 August 1949 | 5.0°C27 August 1954 | 35 / 36 |
| September | 23.6°C | 11.9°C | 37.8°C2 September 1953 | −2.2°C24 September 1953 | 35 / 36 |
| October | 17.0°C | 5.7°C | 30.6°C10 October 1949 | −7.2°C31 October 1966 | 35 / 35 |
| November | 10.2°C | 0.4°C | 26.7°C6 November 2024 | −12.7°C22 November 2018 | 33 / 34 |
| December | 4.1°C | −4.8°C | 23.3°C7 December 1998 | −26.1°C28 December 1951 | 34 / 34 |
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 33 to 35 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.