Gary Intl climate by month
Averages and records for each calendar month at Gary Intl, United States, from 1936 to 1979. The warmest month is July, averaging 28.9°C; the coolest is January at −0.4°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | −0.4°C | −8.7°C | 21.1°C26 January 1950 | −30.0°C30 January 1966 | 34 / 41 |
| February | 1.8°C | −6.8°C | 21.1°C27 February 1976 | −23.3°C3 February 1951 | 29 / 41 |
| March | 7.3°C | −1.7°C | 27.2°C24 March 1939 | −21.1°C24 March 1974 | 40 / 42 |
| April | 14.9°C | 4.4°C | 33.3°C30 April 1942 | −8.3°C5 April 1975 | 40 / 42 |
| May | 21.0°C | 9.8°C | 37.8°C31 May 1937 | −3.9°C17 May 1973 | 40 / 42 |
| June | 26.7°C | 15.5°C | 41.1°C28 June 1971 | 2.2°C10 June 1972 | 42 / 43 |
| July | 28.9°C | 18.3°C | 40.0°C10 July 1936 | 7.8°C6 July 1972 | 42 / 43 |
| August | 28.2°C | 17.7°C | 38.9°C22 August 1936 | 6.1°C29 August 1965 | 42 / 43 |
| September | 24.4°C | 13.3°C | 39.4°C15 September 1939 | 0.6°C23 September 1974 | 42 / 42 |
| October | 18.3°C | 7.6°C | 33.3°C7 October 1963 | −6.7°C26 October 1962 | 41 / 41 |
| November | 9.5°C | 0.6°C | 28.9°C1 November 1950 | −18.3°C25 November 1950 | 39 / 41 |
| December | 2.2°C | −5.7°C | 19.4°C7 December 1951 | −27.2°C23 December 1960 | 38 / 41 |
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 29 to 42 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.