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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the True North Brief Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
October in Portugal brings average daytime highs of 22–25°C in the Algarve and around 20°C in Porto, with Lisbon sitting near 23°C; overnight lows range 12–16°C. This means warm, pleasant days across most of the country, though rain becomes more frequent later in the month.
What is the weather like in Portugal in October?
In Lisbon, October averages 8–9 rainy days with about 75 mm of rain; Porto is wetter, receiving roughly 130 mm. The Algarve stays driest, with 50–60 mm and 6–7 hours of sunshine per day. Sea temperatures remain swimmable at 18–20°C along the south coast. In the interior, evenings can be cool, especially north of the Tagus River.
How does rainfall vary across Portugal in October?
The north-south gradient is pronounced. Porto and the Minho region see the highest rainfall in Portugal in October (around 130 mm), while the Algarve sees the least (50–60 mm). Lisbon and central areas fall in between. November continues this pattern with slightly cooler temperatures and more rain overall.
Is October a good time to visit Portugal?
Yes, especially the Algarve and Lisbon. Crowds thin after summer, temperatures are warm enough for sightseeing and beach time, and hotel rates drop. Northern regions face more rain, but still offer pleasant days.
What should I pack for Portugal in October?
Light layers for daytime, a jacket or sweater for cooler evenings, and a rain jacket or umbrella for showers. Swimwear works in the Algarve, but the Atlantic is brisk. Comfortable walking shoes are essential.
Is the Algarve still warm in October?
Yes, daytime highs reach 24–25°C with low humidity and 6 hours of daily sun. Sea temperatures hover around 19°C. Rain is limited to 4–6 days, making it one of the sunniest areas in Portugal in October.
Sources
For a broader look at autumn weather patterns, visit our Canada weather hub or compare conditions in nearby Spain in December. The live forecast above provides the latest specifics for your travel dates.