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Cascais weather in May (Lisbon Region, Portugal)

Curious about the May weather in Cascais? Wondering if it's the right time to visit? Browse this page for a comprehensive overview of the weather conditions for that month.

In May, Cascais typically experiences pleasant temperatures and moderate rainfall. Throughout the day, temperatures typically settle at around 19°C. But by evening, they drop to around 15°C.

Cascais in May usually receives moderate rainfall, averaging around 43 mm for the month. Typically around 9 days of rainfall is expected.

With around 316 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

If your ideal day consists of dry skies and moderate temperatures June, July, August, September and October generally stand out with the best circumstances. While January, February, March, April and December tend to showcase less optimal conditions.

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

 

Cascais, monthly averages in May

Min TemperatureMin Temperature 15°C  
Max TemperatureMax Temperature 19°C  
Chance of RainChance of Rain 28%  
PrecipitationPrecipitation 43 mm  
Rainy daysRainy days 9 days  
HumidityHumidity 74%  
SunshineSunshine 316 hours  
Percentage SunshinePercentage Sunshine 71%  

Where to go in Portugal in May

Find out more about the weather in Portugal in May 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 Cascais in May?

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. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

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

Cycling
10/10
Walking
10/10
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 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 climate conditions. Find out where to go with our weather planner.