BRADLEY INTERNATIONAL AIRPORT weather by month
Averages and records for each calendar month at BRADLEY INTERNATIONAL AIRPORT, United States, from 1949 to 2026. The warmest month is July, averaging 29.5°C; the coolest is January at 1.5°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 1.5°C | −7.8°C | 22.2°C6 January 2007 | −32.2°C22 January 1961 | 78 / 78 |
| February | 3.2°C | −6.7°C | 25.0°C21 February 2018 | −29.4°C2 February 1961 | 78 / 78 |
| March | 8.4°C | −2.2°C | 31.7°C31 March 1998 | −22.2°C4 March 1950 | 78 / 78 |
| April | 15.8°C | 3.4°C | 35.6°C19 April 1976 | −12.8°C1 April 1970 | 77 / 78 |
| May | 22.0°C | 8.9°C | 37.2°C20 May 1996 | −2.2°C9 May 1956 | 78 / 78 |
| June | 26.7°C | 14.1°C | 38.3°C26 June 1952 | 2.8°C6 June 1964 | 78 / 78 |
| July | 29.5°C | 17.2°C | 39.4°C22 July 2011 | 6.7°C2 July 1962 | 78 / 78 |
| August | 28.3°C | 16.1°C | 38.9°C9 August 2001 | 2.2°C31 August 1965 | 78 / 78 |
| September | 23.9°C | 11.5°C | 38.3°C2 September 1953 | −2.8°C30 September 1951 | 77 / 78 |
| October | 17.8°C | 5.4°C | 32.8°C7 October 1963 | −8.3°C18 October 1978 | 77 / 77 |
| November | 10.8°C | 0.4°C | 28.9°C1 November 2024 | −17.2°C24 November 1989 | 77 / 77 |
| December | 4.0°C | −5.0°C | 24.4°C7 December 1998 | −25.6°C26 December 1980 | 77 / 77 |
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 77 to 78 years each.
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Climate at nearby stations
The closest stations with twelve months of archive of their own, nearest first.
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.