Portugal

Portugal Weather in May

Average temperatures, rainfall, sunshine and the best places to visit in Portugal in May.

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Lisbon Porto Cascais Ponta Delgada

Planning a getaway to Portugal this May and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Portugal in May

May in Portugal generally has temperatures that range from pleasant to warm, with precipitation levels ranging from low to high.

Temperatures

Based on our climate data spanning from 1990-2020, the average maximum temperature is pleasant in Azoia at 18°C (64°F) to warm in Moura at 26°C (79°F). Nighttime temperatures generally drop to 13°C (55°F) in Moura and 15°C (59°F) in Azoia.

To learn more about the conditions in specific areas of Portugal, check out the map below.

Precipitation

In May, precipitation varies across different areas. From low rainfall in Vila Baleira with an average of 16 mm (0.6 in) to high rainfall in Santa Cruz do Lima with 151 mm (5.9 in).

Average sunshine

Many locations offer abundant sunshine during this month. For instance, Lisbon enjoys approximately 290 hours of sunlight, ideal for those seeking sunny weather.

Explore Portugal by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Best Places to Visit in Portugal in May

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Portugal.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Portugal

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

Temperature range in Portugal (May)

Precipitation variation in Portugal (May)

Lisbon

In May Lisbon generally has pleasant 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.

« April
May
June »
April
May
June
Max temperature
19°C (66°F)
22°C (72°F)
25°C (77°F)
Min temperature
12°C (54°F)
14°C (57°F)
16°C (61°F)
Monthly sun hours
234 hours
290 hours
301 hours
Monthly rainfall
57 mm (2.2 in)
46 mm (1.8 in)
13 mm (0.5 in)
Monthly rainy days
12 days
8 days
5 days
Weather conditions
pleasant
perfect
perfect
Climate in Lisbon →

Porto

In May Porto generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 14°C (57°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« April
May
June »
April
May
June
Max temperature
18°C (64°F)
20°C (68°F)
23°C (73°F)
Min temperature
12°C (54°F)
14°C (57°F)
16°C (61°F)
Monthly sun hours
218 hours
255 hours
278 hours
Monthly rainfall
120 mm (4.7 in)
98 mm (3.9 in)
39 mm (1.5 in)
Monthly rainy days
15 days
13 days
9 days
Weather conditions
tolerable
perfect
perfect
Climate in Porto →

Albufeira

In May Albufeira generally has high temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 15°C (59°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« April
May
June »
April
May
June
Max temperature
20°C (68°F)
22°C (72°F)
26°C (79°F)
Min temperature
13°C (55°F)
15°C (59°F)
17°C (63°F)
Monthly sun hours
266 hours
320 hours
339 hours
Monthly rainfall
49 mm (1.9 in)
32 mm (1.3 in)
7.6 mm (0.3 in)
Monthly rainy days
9 days
5 days
2 days
Weather conditions
perfect
perfect
perfect
Climate in Albufeira →

Lagos

In May Lagos generally has pleasant temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 15°C (59°F) and low monthly rainfall. So on average the conditions are perfect that month.

« April
May
June »
April
May
June
Max temperature
19°C (66°F)
22°C (72°F)
24°C (75°F)
Min temperature
13°C (55°F)
15°C (59°F)
17°C (63°F)
Monthly sun hours
266 hours
321 hours
338 hours
Monthly rainfall
46 mm (1.8 in)
29 mm (1.1 in)
6.9 mm (0.3 in)
Monthly rainy days
9 days
5 days
3 days
Weather conditions
pleasant
perfect
perfect
Climate in Lagos →

Portimão

In May Portimão generally has high temperatures with maximum daytime temperatures around 23°C (73°F), minimum nighttime temperatures around 15°C (59°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« April
May
June »
April
May
June
Max temperature
20°C (68°F)
23°C (73°F)
26°C (79°F)
Min temperature
12°C (54°F)
15°C (59°F)
17°C (63°F)
Monthly sun hours
266 hours
320 hours
339 hours
Monthly rainfall
49 mm (1.9 in)
32 mm (1.3 in)
7.5 mm (0.3 in)
Monthly rainy days
9 days
5 days
3 days
Weather conditions
perfect
perfect
perfect
Climate in Portimão →

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

Popular cities in May

Day & night temperatures, rainfall and average weather in Portugal in May.

City Weather Day temp Night temp Rainfall
Lisbon 22°C (72°F) 14°C (57°F) 46 mm (1.8 in)
Porto 20°C (68°F) 14°C (57°F) 98 mm (3.9 in)
Cascais 19°C (66°F) 15°C (59°F) 43 mm (1.7 in)
Ponta Delgada 19°C (66°F) 15°C (59°F) 72 mm (2.8 in)
Coimbra 23°C (73°F) 12°C (54°F) 83 mm (3.3 in)
Braga 22°C (72°F) 11°C (52°F) 132 mm (5.2 in)

Portugal weather in May: frequently asked questions

What is the weather like in Portugal in May?

Expect perfect weather across Portugal in May. The popular destination of Lisbon averages 22°C (72°F) by day and 14°C (57°F) at night during this month.

What is the average temperature in Portugal in May?

Average temperatures in Portugal during May range from a nighttime low near 14°C (57°F) to a daytime high around 22°C (72°F) in Lisbon.

Does Portugal get a lot of rain in May?

Rain is generally moderate to light in Portugal during May, with Lisbon averaging close to 46 mm (1.8 in).

Is May a Good Time to Visit Portugal?

We believe that May is one of the best times to visit Portugal with overall perfect weather in Lisbon. However, the weather conditions may vary depending on your destination.

Generally speaking, the best visiting conditions can be found in May, June, July, August, September and October offering mostly perfect weather in Lisbon. On the other hand, the months of January, February and December tend to have tolerable weather conditions.

Interested in more climate information?

We have much more information about the climate in Portugal.

Weather and climate has detailed information for every country 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 recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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