Lisbon weather in May (Lisbon Region, Portugal)

Curious about the May weather in Lisbon? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.

In Lisbon the weather in May is generally perfect, characterized by pleasant temperatures and moderate rainfall. Throughout the day, temperatures typically settle at around 22°C. But by evening, they drop to around 14°C.

Lisbon in May usually receives moderate rainfall, averaging around 46 mm for the month. Rain is expected on roughly 8 days.

The city usually sees around 290 hours of sunlight, indicating many sunny days.

So this is a great month to visit if you prefer dry days with pleasant temperatures. May, June, July, August, September and October typically offer the most optimal weather. In contrast, January, February and December tend to have less optimal conditions.

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

 

Lisbon, monthly averages in May

Min TemperatureMin Temperature 14°C  
Max TemperatureMax Temperature 22°C  
Chance of RainChance of Rain 28%  
PrecipitationPrecipitation 46 mm  
Rainy daysRainy days 8 days  
SunshineSunshine 290 hours  
Percentage SunshinePercentage Sunshine 63%  

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 Lisbon in May?

For visitors traveling to Lisbon, 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
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 Lisbon.

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.