Due to the influence of the Atlantic Ocean, Lisbon has a temperate climate throughout the year.  

Lisbon enjoys of a moderate amount of sunshine all year and the days are particularly hot in the summer months.

Rainfall is fairly heavy in the winter months in Lisbon, and then drops steadily until the height of summer, when there is almost no rain at all. The autumn, although still warm, can produce some wet days, the wettest month on average is November.

Lisbon is rarely very cold, and maintains a pleasantly mild climate, even during the winter months. However, the summer months bring days of consistent heat.

Lisbon Climate Monitoring