Trelew Aerodrome weather by month
Averages and records for each calendar month at Trelew Aerodrome, Argentina, from 1956 to 2025. The warmest month is January, averaging 28.7°C; the coolest is June at 12.0°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 28.7°C | 13.9°C | 42.6°C24 January 2024 | 3.0°C22 January 1974 | 48 / 69 |
| February | 27.8°C | 12.9°C | 41.0°C17 February 2019 | 1.5°C20 February 1993 | 49 / 70 |
| March | 24.9°C | 10.8°C | 40.0°C9 March 2003 | −1.7°C31 March 2023 | 49 / 70 |
| April | 20.5°C | 7.0°C | 35.2°C3 April 1998 | −5.1°C13 April 2023 | 49 / 70 |
| May | 15.9°C | 3.6°C | 31.0°C2 May 2010 | −8.5°C26 May 1993 | 48 / 70 |
| June | 12.0°C | 0.8°C | 27.7°C2 June 1966 | −12.3°C22 June 2002 | 48 / 70 |
| July | 12.2°C | 0.5°C | 25.6°C11 July 1998 | −13.2°C2 July 2025 | 47 / 70 |
| August | 14.8°C | 1.8°C | 26.0°C6 August 2021 | −10.6°C4 August 1997 | 48 / 70 |
| September | 17.5°C | 4.0°C | 33.0°C29 September 1996 | −8.0°C6 September 1958 | 48 / 69 |
| October | 21.2°C | 6.8°C | 36.4°C22 October 1975 | −5.0°C3 October 1999 | 48 / 69 |
| November | 24.7°C | 10.0°C | 38.3°C10 November 1979 | −2.0°C2 November 2014 | 47 / 69 |
| December | 27.0°C | 12.3°C | 40.5°C26 December 1982 | 0.5°C2 December 2001 | 48 / 69 |
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 47 to 49 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.