Lisboa Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Lisboa.

Climate overview of Lisboa

Lisbon (Lisboa) has a mild climate,making it almost an all year holliday/ citytrip destination. Summers are hot, with average temperatures around 30°C (86°F) in July and August. Because of this heat July and August are not the best months to visit Lisbon.

The winters are mild, the temperatures rarely drops below 5°C (41°F). On average, there are 100 rainy days per year, The best time to visit the city is in spring which are the months March, April and May or in Autumn (September and Octobre).

Lisboa Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Lisboa - and find the best time to visit.

Monthly Temperature in Lisboa

Depending on the time of the year, temperatures range from comfortable to moderate in Lisboa. Average daytime temperatures reach a comfortable 27°C (81°F) in August. In January, the coolest month of the year, temperatures drop to a moderate 15°C (59°F).

At night, temperatures range from around 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 Lisboa

Generally, Lisboa has a moderate amount of precipitation, averaging 589 mm (23 in) of rainfall annually. Lisboa can be quite wet during November, receiving approximately 84 mm (3.3 in) of precipitation over 13 rainy days.

In contrast, during the driest month (July), you will experience much drier conditions, with 3.6 mm (0.1 in) of precipitation spread across 2 rainy days. For more details, please visit our Lisboa Precipitation page.

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

Sunshine Hours in Lisboa

Lisboa can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 11.7 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 4.7 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine


Daily hours of sunshine


Best Time to Visit Lisboa

For comfortable weather, consider visiting Lisboa in May, June, July, August, September and October. Conditions are usually least favourable in January, February and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: May, June, July, August, September and October
  • Warmest weather: July and August
  • Most sunshine: July and August
  • Fewest rainy days: July and August
  • Seasonal pattern: A distinct dry season from June to September, with warm summers and mild winters

Frequently asked questions about the climate in Lisboa

What is the best time to visit Lisboa?

May, June, July, August, September and October typically offer the most optimal weather in Lisboa. In contrast, January, February and December tend to have less optimal conditions. Lisboa has a distinct dry season from June to September, with warm summers and mild winters.

What temperatures can I expect in Lisboa?

Daytime highs range from 15°C (59°F) in January to 27°C (81°F) in August. Nighttime lows range from 9°C (48°F) to 18°C (64°F). Temperatures vary considerably through the year.

How much rain does Lisboa get?

Annual rainfall is around 589 mm (23 in). November is the wettest month with 84 mm (3.3 in), while July is the driest with 3.6 mm (0.1 in).

How sunny is Lisboa?

Lisboa receives around 2,828 hours of sunshine per year. July is the sunniest month with 352 hours, while December is the cloudiest with just 141 hours. Overall, Lisboa enjoys abundant sunshine.

Lisboa 3-Day Forecast

Lisboa on the map

Lisboa is highlighted - select any city to see its climate.

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