Portugal weather in October
In October, Portugal averages 23 to 25°C by day across Madeira, the Algarve and Lisbon. Madeira is the warmest at 25°C, Lisbon the coolest at 23°C. The sea is 19 to 24°C.
Portugal in October, place by place
Warmest first. Anywhere at 24°C or more is proper beach weather. Tap a place for its full October detail.
Heading to Portugal in October?
Share the places you've saved on TikTok and Instagram for Portugal to Dream Trip. It pins them on a map and builds your days around them.
Portugal in October: quick answers
Is Portugal hot in October?
In October, Portugal averages 23 to 25°C by day across Madeira, the Algarve and Lisbon. Madeira is the warmest at 25°C, Lisbon the coolest at 23°C. The sea is 19 to 24°C. October is hot in Madeira: proper beach weather.
Where is warmest in Portugal in October?
Madeira, at an average high of 25°C. The driest is Algarve, with about 68 mm of rain.
Can you swim in the sea in Portugal in October?
Yes: Madeira (24°C) has sea temperatures of 21°C or more, comfortable without a wetsuit.
How we measured this
Portugal here means Madeira, the Algarve and Lisbon: the places we measure. Figures are averages of every day from 2016 to 2025 from the Open-Meteo historical weather archive (ECMWF ERA5); sea temperatures are 2023 to 2025 averages. Rain is the average monthly total, and 150 mm or more counts as rainy season.
Planning Portugal in October?
Save the places you find on TikTok and Instagram for Portugal to one map, and Dream Trip turns them into a day-by-day plan.
