Lisbon weather in May (Lisbon Region, Portugal)

You can expect very pleasant temperatures during the day in May. The average maximum daytime temperature in Lisbon in May lies at 23.4°C (74.12°F). The average minimum temperature goes down to around 13.8°C (56.84°F) (often the minimum temperature is noted at night).

Rainfall during May is moderate with an average of 51mm (2.0 inches). There are generally around 9 rainy days. If you enjoy blue skies and sunshine, then this is a great time to go to Lisbon with 290 hours of sun during the entire month. May is known as one of the best months to visit Lisbon.

 

Lisbon, monthly averages in May

Show in Fahrenheit

Min Temperature 13 °C  

Max Temperature 23 °C  

Chance of Rain 31%  

Precipitation 51mm  

Rainy days 9 days  

Sunshine 290 hrs *  

Percentage Sunshine 63% *  

Where to stay in Lisbon

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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.

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 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inches a month).

So what to wear in May? Bring a rain jacket in case it rains during your stay. Also bring your shorts or a skirt because it can be very warm or even hot. At night it tends to cool off so best to pack some warm nightwear as well.

What To Do

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

Swimming

10/10

Cycling

10/10

Walking

10/10

Barbeque

9/10

Camping

8/10

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.