The Algarve is enjoyable year-round. July–August is peak season with near-certain sun but high prices and crowds. May–June and September–October offer excellent weather with far fewer tourists. November–April is quiet, cool, and cheap.

TL;DR

Best for beaches and sun: July–August (but crowded and expensive) Best overall balance: May–June and September–October Best for walking, cycling, and culture: October–April Best for budget travel: November–March

Month by Month

January–February

The quietest and cheapest time of year. Daytime temperatures reach 16–18°C in a good week. Almond blossom starts in late January — the interior of the Algarve, particularly around Silves and Loulé, is visually stunning. Most beach restaurants are closed. Good for walkers, cyclists, and people who want the Algarve without the tourists.

March–April

Spring arrives early. Wildflowers cover the coastal scrub, the light is excellent, and temperatures climb into the low 20s by April. Easter week is busy — domestic Portuguese tourists fill the beach towns. The sea is still cold (16–17°C) but the warmth of the days makes it pleasant to sit on the beach.

May–June

The sweet spot for most visitors. Temperatures are 22–26°C, the sea is warming up (18–21°C), and the summer crowds haven’t arrived. June is particularly good — long days, reliable sun, and the beach towns aren’t yet overwhelmed. Prices are noticeably lower than July–August.

July–August

Peak season. Temperatures hit 30–35°C on inland days; the coast is cooler due to sea breezes. The beaches are packed, particularly Benagil, Praia da Marinha, and the beaches near Albufeira. Hotel prices double or more compared to spring. If you’re flexible, skip these months. If you’re not, book everything at least 6 months ahead.

September

The hidden best month. The crowds thin from the first week of September (European schools go back). The sea temperature peaks in late September at 22–24°C — warmer than July. Prices drop. Availability improves. The weather is overwhelmingly sunny. Most locals consider September the best month to be here.

October

Excellent for the outdoors. The Rota Vicentina walking trails are ideal — temperatures of 22–25°C, no crowds, the light is golden. The sea is still swimmable. The Atlantic swell picks up for surfing. The Silves Gastronomy Festival runs in October. One of the best months to come if beaches are not the primary goal.

November–December

Autumn weather: mostly sunny with occasional multi-day rain spells. Temperatures 15–20°C. Some beach towns go into hibernation — restaurants close, the atmosphere is quiet. Faro and Tavira retain more life year-round. Christmas in the Algarve is genuinely pleasant — the markets in Lagos and Faro are good, and accommodation is at its cheapest.

Sea Temperature by Month