Lisbon in December

April through June offers the sweet spot – warm days, cool evenings, and manageable crowds. The jacaranda trees bloom purple along the avenues, and restaurant terraces come alive. Temperatures hover around 20-25°C, perfect for walking those hills without melting. September and October bring similar weather with fewer tourists and better hotel prices. The Atlantic stays warm enough for swimming at nearby beaches, and the light turns golden for those sunset photos from the miradouros. This is when locals return from summer holidays, so the city feels more authentic. Summer (July-August) means heat, crowds, and inflated prices. Temperatures can hit 35°C, making those hill climbs brutal. But if you can handle the heat, the city buzzes with energy. Outdoor festivals happen nightly, and the beaches at Cascais and Estoril are at their best. Winter brings rain and cooler temperatures (10-15°C), but also fewer crowds and rock-bottom hotel prices. The city takes on a moody charm, perfect for cozy evenings in fado houses. Just pack layers – those Atlantic winds can bite.