Mosteiros is a city of approximately 1,100 people in Azores, Portugal. Located in the Atlantic/Azores time zone at 37.9°N latitude.
In 2025, Mosteiros recorded an average annual temperature of 64°F. The hottest temperatures reached 81°F in August; the coolest were 49°F in March. Total precipitation for the year was 60 inches, with the wettest month being January.
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