Morrisville-Stowe State Arpt climate by month
Averages and records for each calendar month at Morrisville-Stowe State Arpt, United States, from 1962 to 2026. The warmest month is July, averaging 26.5°C; the coolest is January at −3.4°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −3.4°C | −15.5°C | 17.8°C17 January 1995 | −39.4°C28 January 1994 | 40 / 41 |
| February | −1.8°C | −15.2°C | 17.2°C23 February 1997 | −38.3°C13 February 1967 | 38 / 42 |
| March | 3.9°C | −8.6°C | 26.1°C31 March 1977 | −32.8°C7 March 2007 | 39 / 41 |
| April | 11.6°C | −1.9°C | 31.1°C20 April 1976 | −18.9°C1 April 1965 | 40 / 40 |
| May | 19.1°C | 4.3°C | 33.9°C23 May 1975 | −8.3°C8 May 1972 | 40 / 40 |
| June | 24.4°C | 10.0°C | 37.2°C27 June 2003 | −2.2°C1 June 1971 | 39 / 39 |
| July | 26.5°C | 12.5°C | 36.1°C3 July 1966 | 1.1°C8 July 1969 | 37 / 39 |
| August | 25.3°C | 11.2°C | 35.0°C4 August 1988 | 0.0°C31 August 1976 | 32 / 40 |
| September | 21.0°C | 7.1°C | 33.3°C5 September 1973 | −6.7°C24 September 1963 | 38 / 40 |
| October | 14.0°C | 1.1°C | 30.0°C7 October 1963 | −15.0°C19 October 1972 | 39 / 39 |
| November | 6.2°C | −3.4°C | 22.8°C9 November 1975 | −22.2°C24 November 1989 | 40 / 40 |
| December | −1.2°C | −11.9°C | 17.8°C7 December 2001 | −36.1°C26 December 1980 | 38 / 40 |
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 32 to 40 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.