March in Portugal lands squarely in spring. Expect average daytime highs of 18°C (64°F) and overnight lows around 10°C (50°F) in Lisbon, with the Algarve typically two to three degrees warmer at 19°C (66°F). The Atlantic sits at roughly 15°C (59°F), and you can plan for about 6.5 hours of sunshine on a normal day. Soft, photographer-grade light through April. Rolling green hills in the Alentejo are at their best.
FAQ
Is March a good time to visit Portugal?
Yes. Wildflowers wake up the countryside. Long, warm afternoons and crisp clear mornings. It's one of the more rewarding times to travel here, with light crowds, soft light and authentic local life.
What should I pack for Portugal in March?
Layers you can shed during the day, a light jacket for cooler evenings, sunglasses and comfortable shoes. The light is strong even when temperatures are mild.
Will it rain a lot in Portugal in March?
On average, March sees around 8 days with some rain in Lisbon, often short showers between long sunny spells. The south is consistently drier than the north, and the Algarve in particular stays sunny on most days even in winter.