Santiago Arpt climate by month
Averages and records for each calendar month at Santiago Arpt, Spain, from 1944 to 2026. The warmest month is August, averaging 24.3°C; the coolest is January at 11.0°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 11.0°C | 3.8°C | 20.3°C24 January 2016 | −7.0°C2 January 1971 | 81 / 81 |
| February | 12.1°C | 3.9°C | 23.2°C28 February 1960 | −9.0°C22 February 1948 | 82 / 82 |
| March | 14.4°C | 5.0°C | 27.6°C23 March 2002 | −5.6°C9 March 1964 | 82 / 82 |
| April | 16.1°C | 6.0°C | 30.2°C7 April 2011 | −3.0°C13 April 1986 | 82 / 82 |
| May | 18.5°C | 8.3°C | 34.0°C29 May 2001 | −2.0°C3 May 1967 | 81 / 81 |
| June | 21.8°C | 10.9°C | 37.8°C29 June 2015 | 3.4°C30 June 1972 | 82 / 82 |
| July | 24.2°C | 12.7°C | 39.4°C20 July 1990 | 3.4°C28 July 1946 | 81 / 82 |
| August | 24.3°C | 12.8°C | 39.0°C12 August 2003 | 1.0°C13 August 1958 | 81 / 81 |
| September | 22.3°C | 11.7°C | 39.0°C6 September 2016 | 3.0°C29 September 1974 | 81 / 81 |
| October | 18.4°C | 9.5°C | 31.0°C7 October 2023 | −1.6°C18 October 1992 | 81 / 81 |
| November | 13.9°C | 6.3°C | 24.2°C2 November 1970 | −3.2°C28 November 1972 | 82 / 82 |
| December | 11.7°C | 4.7°C | 23.4°C2 December 1985 | −6.5°C29 December 1970 | 81 / 81 |
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 81 to 82 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.