FORT WAYNE INTERNATIONAL climate by month
Averages and records for each calendar month at FORT WAYNE INTERNATIONAL, United States, from 1939 to 2026. The warmest month is July, averaging 29.1°C; the coolest is January at 0.0°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 0.0°C | −8.2°C | 20.6°C25 January 1950 | −30.0°C20 January 1985 | 87 / 87 |
| February | 2.1°C | −6.8°C | 22.8°C25 February 2000 | −27.8°C27 February 1963 | 87 / 87 |
| March | 8.4°C | −1.8°C | 30.6°C21 March 2012 | −23.3°C1 March 1967 | 87 / 87 |
| April | 15.8°C | 3.8°C | 31.1°C30 April 1942 | −13.9°C7 April 1982 | 87 / 87 |
| May | 22.0°C | 9.7°C | 36.1°C28 May 2018 | −4.9°C9 May 2020 | 87 / 87 |
| June | 27.2°C | 15.3°C | 41.1°C25 June 1988 | 3.3°C2 June 1956 | 87 / 87 |
| July | 29.1°C | 17.2°C | 39.4°C14 July 1954 | 6.7°C21 July 1944 | 86 / 86 |
| August | 28.0°C | 16.0°C | 38.3°C20 August 1962 | 3.3°C29 August 1965 | 88 / 88 |
| September | 24.5°C | 11.8°C | 38.3°C7 September 1939 | −1.7°C29 September 1951 | 87 / 88 |
| October | 17.9°C | 5.8°C | 32.2°C4 October 1951 | −7.2°C31 October 1988 | 86 / 86 |
| November | 9.5°C | 0.2°C | 26.1°C1 November 1950 | −18.3°C24 November 1950 | 87 / 87 |
| December | 2.7°C | −5.1°C | 21.7°C2 December 1982 | −27.8°C22 December 1989 | 87 / 87 |
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 86 to 88 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.