Rio Gallegos Intl climate by month
Averages and records for each calendar month at Rio Gallegos Intl, Argentina, from 1956 to 2025. The warmest month is January, averaging 19.4°C; the coolest is July at 4.4°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 19.4°C | 7.5°C | 35.0°C30 January 1975 | −0.9°C10 January 1973 | 46 / 68 |
| February | 19.2°C | 7.0°C | 34.0°C6 February 1985 | −3.5°C24 February 2012 | 44 / 68 |
| March | 16.8°C | 5.2°C | 32.0°C9 March 1966 | −7.8°C31 March 1959 | 45 / 68 |
| April | 13.1°C | 2.5°C | 28.2°C9 April 2020 | −11.0°C30 April 1964 | 45 / 68 |
| May | 8.1°C | −0.1°C | 22.6°C6 May 2023 | −14.5°C22 May 1984 | 42 / 68 |
| June | 4.8°C | −2.2°C | 17.0°C4 June 1996 | −18.2°C25 June 1964 | 41 / 67 |
| July | 4.4°C | −2.5°C | 16.1°C11 July 1998 | −20.2°C12 July 1982 | 43 / 69 |
| August | 7.1°C | −0.8°C | 18.1°C5 August 2021 | −12.7°C23 August 1995 | 44 / 69 |
| September | 11.0°C | 0.8°C | 24.9°C27 September 1986 | −9.0°C9 September 2000 | 45 / 68 |
| October | 14.5°C | 2.4°C | 27.2°C20 October 2021 | −6.8°C5 October 2009 | 43 / 68 |
| November | 17.1°C | 4.8°C | 30.4°C16 November 1982 | −6.4°C1 November 1968 | 45 / 68 |
| December | 18.5°C | 6.6°C | 30.8°C27 December 1995 | −2.5°C10 December 2010 | 45 / 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 41 to 46 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.