Lisbon Weather & Climate: Best Time to Visit

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 (63°F). 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.

Monthly Temperature in Lisbon

In Lisbon, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 27°C (81°F) in August to a moderate 15°C (59°F) in January.

Nighttime temperatures range from 18°C (64°F) in August to 9°C (48°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Lisbon

On average, Lisbon receives a reasonable amount of rainfall, with an annual precipitation of 587 mm (23 in). The seasons in Lisbon bring significant changes in precipitation. The wettest month, November, receives moderate rainfall, with an average of 84 mm (3.3 in) of precipitation. This rainfall is distributed across 13 rainy days.

In contrast, the driest month, July, experiences much less rainfall, totaling 3.5 mm (0.1 in) over 2 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Lisbon Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Sunshine Hours in Lisbon

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 per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

Lisbon 3-Day Forecast

10-Day Forecast

Select a Month

Check the conditions for any month of the year.

Best Time to Visit Lisbon

The best time to visit Lisbon is during April, May, June, July, August, September and October, when the weather provides comfortable temperatures between 19°C (67°F) and 27°C (81°F). With rainfall of 4 mm (0.2 in) to 80 mm (3.1 in), you can expect pleasant weather during your visit in these months.

Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.