Europe's sunniest corner delivers 300 days of sunshine, epic Atlantic surf, and world-class food — but the timing determines whether you get a summer fiesta or a rainy winter escape.
Data based on Lisbon. Algarve (south) is warmer and drier. Porto (north) is cooler and wetter. Madeira enjoys mild weather year-round.
Portugal's summer is Europe's finest — long sunny days, warm Atlantic beaches, and reliably dry weather. The Algarve averages just 5mm of rain in July across only 3 rain days. Temperatures stay honest (25–28°C) thanks to Atlantic breezes — never the punishing heat of Spain or Greece. September is arguably the best: brilliant weather, fewer tourists, lower prices.
Spring is ideal for Lisbon and Porto — mild temperatures (19–22°C), pátio culture in full swing, and the whole country carpeted in wildflowers. Crowds are building but haven't peaked. Lisbon's famous festivals begin: Festas dos Santos Populares (June) is the year's highlight. April in Portugal is genuinely one of Europe's best travel experiences.
October is when Portugal's surfing scene shifts into a higher gear — Atlantic swells build to power the legendary waves at Nazaré, Ericeira (Europe's only World Surfing Reserve), and Peniche. The weather is still excellent (22°C, 7 hours sunshine), beaches empty out from summer tourists, and the Douro wine harvest is underway.
Portugal's winters are mild by northern European standards (14°C average in Lisbon) but too wet and cool for beach trips. Lisbon and Porto are excellent city break destinations in winter — fewer crowds, low prices, and cozy tascas (tavernas) serving petiscos (Portuguese tapas). The Algarve is genuinely pleasant in December–February compared to the rest of Europe.