There is no single "best month" to visit Portugal, but May regularly tops the lists of travellers who have visited several times. With 9.5 hours of sunshine per day, average highs of 23°C (73°F), a balanced pace and a clear seasonal signature, it offers a version of Portugal you cannot bottle in any other month.
FAQ
Is May better than summer for Portugal?
Spring and autumn often beat summer for travellers who care about light, food, wine and walking. Summer wins for beach time, sea swimming and festival energy.
How many days should I plan in May?
Seven to ten days is the sweet spot for a first trip: three to four nights in Lisbon and Sintra, two in the Douro or Alentejo, and two to three on the coast.
Are private tours worth it in May?
Yes, especially in May. A private driver lets you blend signature sights with the quieter discoveries that make this month special.