Cascais weather in August (Lisbon Region, Portugal)

What does the weather outlook for Cascais look like in August? See what weather conditions to anticipate this month with our guide.

Temperatures

The weather in Cascais during August is usually perfect, offering high temperatures and low rainfall. During the day, temperatures usually reach up to 22°C. At night, they tend to fall to approximately 18°C. On average, it has the peak temperatures of the year.

Precipitation

Cascais in August usually receives low rainfall, averaging around 5 mm for the month. Analyzing past climate data, one can expect approximately 2 days of rain.

Average sunshine

Expect a lot of sunshine this month, with about 355 hours of sunny weather. The abundant sunlight creates a lively and bright atmosphere.

If you favor pleasant temperatures and minimal rainfall, August is one of the better months to visit Cascais. June, July, August, September and October typically offer the most agreeable circumstances. On the other hand, January, February, March, April and December tend to be characterized by conditions that may not be as optimal.

For an in-depth look at the yearly conditions, visit our specialized Cascais climate page with graphs.

 

Cascais, monthly averages in August

Min Temperature 18°C  

Max Temperature 22°C  

Chance of Rain 7%  

Precipitation 5 mm  

Rainy days 2 days  

Humidity 73%  

Sunshine 355 hours  

Percentage Sunshine 84%  

Where to go in Portugal in August

Find out more about the weather in Portugal and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to Cascais, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

10/10

Walking

10/10

Barbeque

9/10

Camping

10/10

Outdoor sports

10/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Cascais.

Our site offers climate and forecast data for every country in the world. Are you going to Portugal? On this website you can find historical weather averages for many cities in Portugal. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.