The town's Museum of Southwestern Writing is featured on episode 1 of the three part documentary The Celts: Blood, Iron and Sacrifice, which was broadcast by the BBC in 2015, and hosted by Alice Roberts and Neil Oliver, featuring stone tables containing what some archeologists believe to be a proto-Celtic language.

[5] The settlement was rebuilt at the time of the Muslim conquest of the Iberian Peninsula, with walls surrounding it and a castle inside.

Almodôvar received its first Foral (Town Charter) on April 17, 1285, by order of King Dinis of Portugal, confirmed by a new Foral on June 1, 1512, by order of King Manuel I of Portugal.

The Iberian Pyrite Belt (IPB) which begins in Aljustrel and spreads through the lower Alentejo extending into Southern Spain crosses the area of the municipality.

The municipality experiences a Mediterranean climate with hot, dry summers and mild wet winters.