Serta, in Castelo Branco, Portugal, is home to roughly 5,600 people in the Europe/Lisbon time zone at 39.8°N latitude.
In 2025, Serta recorded an average annual temperature of 60°F. The hottest temperatures reached 103°F in June; the coolest were 27°F in January. Total precipitation for the year was 53 inches, with the wettest month being January.
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