January in Portugal lands squarely in winter. Expect average daytime highs of 15°C (59°F) and overnight lows around 8°C (46°F) in Lisbon, with the Algarve typically two to three degrees warmer at 16°C (61°F). The Atlantic sits at roughly 15°C (59°F), and you can plan for about 5 hours of sunshine on a normal day. Low golden afternoon light, long shadows on the limestone, crystal clear days between mild rain showers.
FAQ
Is January a good time to visit Portugal?
Yes. Mild, soft, almost empty. Portugal's quietest, most personal moment. 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 January?
Layers, a warm jacket for evenings, a light rain shell and comfortable walking shoes. Many Portuguese hotels and restaurants are atmospheric but not heavily heated.
Will it rain a lot in Portugal in January?
On average, January sees around 11 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.