Lisbon Climate by Month
The climate in Lisbon is mainly determined by the warm Gulf Stream creating a Mediterranean climate. This means warm and dry summers and mild winters. The average annual temperature is 17°C. Due to the fact that Lisbon is not far from the Atlantic Ocean, the average temperature is a few degrees below the more inland areas during the summer months.
Rain is mostly seen winter months and together with the wind this can cause it to feel slightly cooler.
Average day and night temperature
In Lisbon, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 27°C in August to a moderate 15°C in January. Nighttime temperatures can drop, with averages reaching 9°C in January.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
On average, Lisbon receives a reasonable amount of rainfall, with an annual precipitation of 587 mm. The seasons in Lisbon, bring significant changes in precipitation. The wettest month, November, receives moderate rainfall, with an average of 84 mm of precipitation. This rainfall is distributed across 13 rainy days. In contrast, the driest month, July, experiences much less rainfall, totaling 3.5 mm over 2 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
In Lisbon, summer days are longer and more sunny, with daily sunshine hours peaking at 11.7 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 4.7 hours.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
The best time of year to visit Lisbon in Portugal
During the months of May, June, September and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The hottest season / summer takes place in June, July, August and September.
Yes, the months of June, July and August are very dry.
August has an average maximum temperature of 27°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 15°C.
November tops the wettest month list with 84 mm of rainfall.
July is the driest month with 4 mm of precipitation.
July is the sunniest month with an average of 352 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
