The weather is mild and sunny, with temperatures ranging from 15°C to 22°C (59°F to 72°F). Flowers bloom across the city, making parks and gardens beautiful for walking. Spring also hosts events like the Lisbon Fish and Flavours festival, celebrating local seafood.

Summers are warm to hot, often reaching 28°C to 35°C (82°F to 95°F). Days are long and sunny, perfect for exploring beaches near Lisbon. Popular events include the Festas de Lisboa, a month-long celebration with parades, music and street parties.

The temperatures cool to around 17°C to 26°C (63°F to 79°F), and the city sees fewer tourists. Rainfall begins in late autumn but there are still plenty of sunny days. The Lisbon & Sintra Film Festival usually takes place in November, attracting international visitors.

Winters are mild, with temperatures between 8°C and 15°C (46°F to 59°F). Rain is more frequent, but snow is extremely rare. The holiday season brings Christmas markets and New Year celebrations, especially around Praça do Comércio and Alfama.