Lisbon experiences a Mediterranean climate, where average temperatures vary from a low of 14°C / 57°F in January to a high of 27°C / 80°F in August.
Rainfall averages about 48 mm / 1.9 inches per month, with the wettest conditions in December (86 mm / 3.4 inches) and the driest in July (3 mm / 0.12 inches).
The UV index ranges from 3 in December to 8 in June, so strong sun protection is essential during summer months.
Daylight hours range from about 9.5 hours in December to 14.8 hours in June.
From the warmth of August to the cooler days of January, Lisbon presents diverse weather for year-round exploration.
Find the best dates. Understand the conditions. Pack with confidence.
The big-picture stats that matter for planning your visit to Lisbon.
Average highs up to 26.9°C and lows down to 9.2°C.
December averages 86 mm.
Typical peak UV is High.
Roughly 10 hrs to 15 hrs.
Average around 16 km/h, peaking in July.
Our top-rated months for visiting Lisbon, based on long-term weather comfort and conditions
Tip: click on a card to see detailed daily weather averages for that month.
Visiting soon? Here's the next 7 days of weather for Lisbon, or see an hourly breakdown for the next 14 days.
Across the year, daytime highs average about 20°C (68°F), with nights near 14°C (57°F). Overall it feels mild by day and cool after dark. You may notice some humidity at times. Daylight is fairly typical, with enough time for sightseeing. Expect a mix of sun and cloud across the year.
UV tends to peak in June, when UV levels frequently reach very high levels (around 8), so strong sun protection is essential, especially around midday.
Across the year, average winds sit around 16 km/h (10 mph), with gusts on windier days up to about 62 km/h (39 mph). Overall it is it is a notably windy place, and strong gusts are fairly common.
On average, days offer about 12 hours of daylight. Daylight is fairly typical, with enough time for sightseeing.