With a population of around 28,900, Marinha Grande sits in Leiria, Portugal. The city operates in the Europe/Lisbon time zone.
In 2025, Marinha Grande recorded an average annual temperature of 61°F. The hottest temperatures reached 98°F in July; the coolest were 33°F in January. Total precipitation for the year was 50 inches, with the wettest month being January.
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