Weather in May in Portugal

Many people wonder what the weather conditions are in May in Portugal. Is this month a good time to go to Portugal? To answer that question we created this page with all the information you need.

What is the weather like in Portugal in May?

The weather in Portugal in May ranges from tolerable to perfect depending on the destination.

May has maximum daytime temperatures ranging from moderate in Penhas Douradas with 13°C (56°F) to warm temperatures in Beja with 24°C (76°F). Nighttime temperatures generally drop to 11°C (52°F) in Beja and 6°C (43°F) in Penhas Douradas.

Precipitation ranges from low in Faro with 21mm (0.8inch) rainfall to high in Braga with 110mm (4.3inch) rainfall. In general it is also a sunny month with an average of 290 hours of sunshine in Lisbon during the whole month.

We invite you to have a look at the map below to find out more about the different weather conditions per location in Portugal.

Where to go in Portugal in May

Find the average weather conditions in May for the most popular destinations in Portugal on the map below. Click on a destination dot for more detailed information.

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 / 3.5inch a month).

Popular destinations in Portugal

What is the weather like in May for the 5 most popular destinations in Portugal?

Average weather in Lisbon

In May Lisbon generally has warm temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 14°C (57°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

Lisbon
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   April April
<<  
20°C / 68°F 
12°C / 54°F 
234 hours 
64mm / 2.5inch 
12 days 
22°C / 72°F 
14°C / 57°F 
290 hours 
53mm / 2.1inch 
8 days 
June   >> June
>>  
26°C / 79°F 
17°C / 63°F 
301 hours 
16mm / 0.6inch 
5 days 
Climate in Lisbon

Average weather in Porto

In May Porto generally has moderate temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 12°C (53°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

Porto
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   April April
<<  
18°C / 64°F 
9°C / 48°F 
218 hours 
118mm / 4.6inch 
9 days 
20°C / 68°F 
12°C / 53°F 
255 hours 
89mm / 3.5inch 
10 days 
June   >> June
>>  
24°C / 74°F 
15°C / 58°F 
278 hours 
41mm / 1.6inch 
6 days 
Climate in Porto

Average weather in Albufeira

In May Albufeira generally has warm temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 13°C (55°F) and low monthly rainfall. So on average the conditions are perfect that month.

Albufeira
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Weather conditions Weather
<<   April April
<<  
20°C / 68°F 
11°C / 52°F 
266 hours 
41mm / 1.6inch 
22°C / 72°F 
13°C / 55°F 
320 hours 
24mm / 0.9inch 
June   >> June
>>  
25°C / 78°F 
16°C / 60°F 
339 hours 
7mm / 0.3inch 
Climate in Albufeira

Average weather in Lagos

In May Lagos generally has warm temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 13°C (56°F) and low monthly rainfall. So on average the conditions are perfect that month.

Lagos
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Weather conditions Weather
<<   April April
<<  
20°C / 68°F 
11°C / 52°F 
266 hours 
47mm / 1.9inch 
22°C / 72°F 
13°C / 56°F 
321 hours 
25mm / 1inch 
June   >> June
>>  
25°C / 78°F 
16°C / 60°F 
338 hours 
5mm / 0.2inch 
Climate in Lagos

Average weather in Portimão

In May Portimão generally has warm temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 13°C (55°F) and low monthly rainfall. So on average the conditions are perfect that month.

Portimão
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Weather conditions Weather
<<   April April
<<  
20°C / 68°F 
11°C / 52°F 
266 hours 
41mm / 1.6inch 
22°C / 72°F 
13°C / 55°F 
320 hours 
24mm / 0.9inch 
June   >> June
>>  
25°C / 78°F 
16°C / 60°F 
339 hours 
7mm / 0.3inch 
Climate in Portimão

Is your destination not in the list? Have a look at other destinations in Portugal.

Is May the best time to go to Portugal?

In our opinion May is one of the best times to visit Portugal with commonly perfect weather in Lisbon. However, the weather conditions may vary depending on your destination.

On average the best time to visit Portugal is in April, May, June, July, August and September with generally perfect weather in Lisbon. The worst month is December that can have unpleasant weather conditions.

Interested in more climate information?

We have much more information about the climate in Portugal. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for almost all countries in the world. Are you going to Portugal? Get detailed historical weather averages for many cities in Portugal.

    Not sure yet where to go? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.