The Best Time to Visit Portugal: Lisbon, Porto, the Algarve, and the Douro Valley by Season
Portugal is highly season-sensitive, with each region peaking at different times. Lisbon is best in spring with mild weather and jacaranda bloom. The Algarve is ideal from June to September, though July and August are crowded. The Douro Valley peaks in September to October during harvest. Porto is best from April to October. Aligning travel dates with each region ensures a well-timed Portugal itinerary.
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