Mertola, in Beja, Portugal, is home to roughly 7,300 people in the Europe/Lisbon time zone at 37.6°N latitude.
In 2025, Mertola recorded an average annual temperature of 65°F. The hottest temperatures reached 110°F in June; the coolest were 30°F in January. Total precipitation for the year was 25 inches, with the wettest month being March.
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