Best time to visit Lagos: weather, crowds and events by month

Lagos sits on the Algarve's western end, where the Atlantic keeps the sea cool even in high summer. The table below is the short version: pick the row that matches what you want from the trip.

Spring (March–May) is the local favourite for walking. Days reach the high teens to low 20s °C, the cliffs and coastal path are green, and you can eat outside without fighting for a table. Rain is possible into April. The sea is still cold for swimming until late May.

Summer (June–August) is hot, dry and bright, with long evenings and almost no rain. July and August bring the heat and the crowds together: parking near Praia Dona Ana and Ponta da Piedade fills by mid-morning, and restaurant queues start before 20:00. August is the busiest and priciest month of the year on the Algarve.

Autumn (September–October) is the sweet spot for swimming. The sea holds the summer's warmth into September, air temperatures ease into the mid-20s °C, and the town empties out after the first week of September. October can bring the first proper rain, but there are still plenty of dry, sunny days.

Winter (November–February) is quiet, cheap and often sunny, but wet spells are common and evenings are cool. Many beach bars and some seasonal hotels close. It suits walkers, surfers and anyone using Lagos as a base for day trips rather than a beach holiday.

Prices in Lagos track the Algarve's season closely. Expect the widest gap between a November midweek and an August weekend. The figures below are 2026 estimates for a double room in a mid-range guesthouse or hotel, per night.

If your dates are fixed by flights, use the shoulder weeks either side of summer: the last week of June and the first two weeks of September give you summer weather with noticeably fewer people. If you want the sea at its warmest, aim for early to mid-September.

Book accommodation and a car together for July and August; hire cars sell out before rooms do in some years. Outside summer, you can often decide a few days ahead and still find something good.

Check the calendar before you commit. Easter and 25 April bring domestic crowds to the Algarve, and Portuguese public holidays in June and August add long weekends. Local festivals in Lagos and nearby towns can also fill beds for a night or two; confirm dates with the local tourist office before booking.

Pack for wind as well as sun. The west coast near Sagres is windier than the town beaches, and even in August a light jacket helps after sunset.