The following are lists of the highest and lowest temperatures recorded in Spain.
On July 30, 1876 and August 4, 1881, temperatures of and were both reported for Seville: these readings are unreliable, since they were measured under a standard exposure and in poor technical conditions. A temperature of was also recorded at Cazalla de la Sierra on August 30, 1926, but is generally not considered valid by international standards, along with other unofficial readings measured in various locations, probably taken without proper instruments. On July 17, 1978, an unconfirmed temperature of was recorded at Barranco de Masca, Tenerife.
Nationwide, the official lowest temperature ever reported in Spain is in Estany Gento, Province of Lleida on 2 February 1956; although in recent years lower temperatures have been recorded by stations not belonging to AEMET, the lowest being at Vega de Liordes, in the .
This list consists of the 10 warmest days ever recorded in Madrid, the capital city of Spain.
The following list is the highest average mean maximum temperatures ever recorded in Spain, above . Cities in the interior of southern Spain recorded the highest average mean maximums temperatures ever in all of Europe.