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Sintra weather in August (Lisbon Region, Portugal)

What can you expect from the weather in Sintra during August? Wondering if it's the right time to visit? Browse this page for a comprehensive overview of the weather conditions for that month.

In Sintra, August is characterized by high temperatures and low rainfall. Daytime temperatures hover around 23°C, while nights can cool down to about 18°C. On average, it is the month with the highest temperature of the year.

Sintra in August usually receives low rainfall, averaging around 5.7 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 2 days of the month will see rainfall.

The days are predominantly sunny, with an estimated total of around 355 hours of sunshine. This amount of sunlight does not only brightens the days but also contributes to a cheerful ambiance in the area during this month.

If you're inclined towards comfortable temperatures and drier conditions, August is a prime time to visit Sintra. June, July, August, September and October typically offer the best circumstances. While January, February, March and December tend to showcase less optimal conditions.

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

 

Sintra, monthly averages in August

Min TemperatureMin Temperature 18°C  
Max TemperatureMax Temperature 23°C  
Chance of RainChance of Rain 8%  
PrecipitationPrecipitation 5.7 mm  
Rainy daysRainy days 2 days  
HumidityHumidity 73% *  
SunshineSunshine 355 hours *  
Percentage SunshinePercentage Sunshine 84% *  
* Data from: Cascais, Portugal (11 KM, 7 Miles).

Where to go in Portugal in August

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

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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 Sintra in August?

For visitors traveling to Sintra, 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 in August.

Swimming
10/10
Cycling
10/10
Walking
10/10
Barbeque
9/10
Camping
10/10
Outdoor sports
10/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Sintra.

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 climate conditions. Find out where to go with our weather planner.