Lisbon in June typically experiences dry, sunny weather with steadily rising temperatures. Daily highs average around 25C (77F), although temperatures can occasionally reach into the low 30sC (high 80s/low 90sF). Rainfall is rare, making it an ideal time to enjoy outdoor activities. The Atlantic Ocean moderates temperatures, providing a refreshing breeze that tempers the summer heat.
The city’s pleasant climate in June contributes significantly to its appeal as a tourist destination. The warm, sunny days are perfect for exploring historical sites, strolling along the Tagus River, or enjoying the vibrant city life. The dry conditions are also favorable for various events and festivals, often held outdoors during this month. Historically, June has marked the start of the summer season in Lisbon, with local traditions and celebrations tied to the warmer weather and longer days.