Bahia Blanca Aerodrome weather by month
Averages and records for each calendar month at Bahia Blanca Aerodrome, Argentina, from 1956 to 2025. The warmest month is January, averaging 30.8°C; the coolest is June at 13.8°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 30.8°C | 16.0°C | 43.8°C21 January 1980 | 3.0°C18 January 1975 | 47 / 69 |
| February | 29.5°C | 14.9°C | 41.3°C13 February 1960 | 1.0°C18 February 1964 | 46 / 70 |
| March | 26.3°C | 12.9°C | 40.1°C4 March 1958 | −1.5°C30 March 1977 | 48 / 70 |
| April | 21.5°C | 9.0°C | 36.7°C5 April 1965 | −3.4°C29 April 1989 | 48 / 70 |
| May | 17.5°C | 5.9°C | 30.4°C17 May 1967 | −6.4°C25 May 1988 | 48 / 70 |
| June | 13.8°C | 3.1°C | 27.8°C26 June 1987 | −9.8°C22 June 2002 | 47 / 70 |
| July | 13.8°C | 2.5°C | 27.0°C16 July 2008 | −11.8°C4 July 1988 | 47 / 70 |
| August | 16.1°C | 3.6°C | 32.6°C30 August 2013 | −7.9°C25 August 2013 | 47 / 70 |
| September | 18.5°C | 5.3°C | 32.5°C5 September 1968 | −7.3°C1 September 1988 | 46 / 69 |
| October | 21.7°C | 8.1°C | 39.0°C28 October 2021 | −4.5°C5 October 1972 | 47 / 69 |
| November | 25.7°C | 11.4°C | 38.4°C20 November 1971 | −1.5°C1 November 1973 | 47 / 69 |
| December | 29.0°C | 14.2°C | 42.2°C25 December 1971 | 2.4°C3 December 1956 | 46 / 68 |
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 46 to 48 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.