Weather in Portugal in October

October climate overview

Daytime highs across Portugal in October run from 20.1°C (Porto) to 23.4°C (Albufeira). Even in Albufeira only 28% of days reach 25°C. Nights average 16.0°C; the coldest 10% of nights in Porto fall to 10°C or below.

Rainfall in October

Expect around 9 rainy days (1 mm or more) in October, with Faro the driest (7 days) and Porto the wettest (13 days). The wettest October at Albufeira between 1991 and 2020 was 2006 with 152 mm; the driest was 1998 with 4 mm.

Sea temperature

The sea averages 19.8°C around Portugal in October - warmest at Madeira (22.9°C). That is bracing: fine for a dip, cool for long swims.

Sunshine and daylight

Around 5.5 hours of sunshine a day on average, out of 11.0 hours of daylight (sunshine estimated from cloud cover).

October against the rest of the year in Portugal

October is the 5th warmest month of the twelve in Portugal. It is 3.5°C cooler than September and 3.9°C cooler in November. The hottest month here is August (28°C) and the coolest January (15°C).

Which part of Portugal in October?

• Most sunshine: Faro, 6.3 h a day.
• Driest: Faro, about 7 rainy days.
• Warmest sea: Madeira, 23°C.
• Hottest: Albufeira, 23°C by day.
• Coolest (better for walking and cities): Porto, 20°C.

What to pack for Portugal in October

Based on the averages: light layers - warm in the sun, cooler in the shade; a light jumper for evenings (16°C at night); a rain jacket - roughly 9 wet days; swimwear if you do not mind a bracing 20°C sea.

Similar weather elsewhere in October

Within 1.5°C of Portugal's October daytime average: Lanzarote (23°C, sea 23°C), Sicily (23°C, sea 23°C), Benidorm (23°C, sea 22°C), Rhodes (23°C, sea 24°C), Ibiza (23°C, sea 23°C). See the full ranking for October.

Choose the Algarve for warmer, drier days

The Algarve is the better fit if your priority is spending time outside without chasing high heat. Albufeira, Ferragudo, Alvor and Carvoeiro all average 23°C by day, with 8 rainy days, so there is little weather reason to favour one over another. Quarteira and Vale do Lobo are slightly cooler at 22°C but have 7 rainy days. Those small differences should not decide your whole trip. The catch is that warm afternoons do not mean warm evenings: overnight averages across these places fall to 15°C or 16°C. Pack a light jumper, and treat beach time as an option for suitable days rather than the basis of every plan.

Madeira offers warmer water, with more rain

Madeira and Funchal offer a different balance: daytime temperatures average 22°C, nights stay at 18°C and the sea averages 23°C. That makes them a better fit if you dislike cool evenings or find the Algarve's 20°C sea too brisk. The trade-off is 12 rainy days, so warmer water should not be mistaken for more dependable beach weather. Keep outdoor plans flexible and take a light waterproof alongside clothes for mild afternoons. For a holiday built around swimming when conditions allow, Madeira has the clearer temperature advantage; for fewer interruptions from rain, the Algarve is the stronger choice.

Expect comfortable afternoons, not guaranteed heat

Portugal's October weather calls for layers rather than a suitcase packed only for summer. The country averages 5.5 hours of sunshine, so do not expect sunshine throughout every day. Light clothes are sensible for mild afternoons, with a jumper for evenings and a waterproof for showers. Albufeira still has days above 25°C, accounting for 28% of days, so allow for warmer spells and take sun protection. Porto is the coolest destination listed at 20°C by day, making it a less convincing choice if warmth is your main aim. Across the country, flexible outdoor plans make more sense than relying on uninterrupted beach weather.