Porto

Douro Valley Weather in May

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

Considering a trip to the Douro Valley, Portugal this May and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in the Douro Valley in May

The Douro Valley, Portugal is a region in Portugal. May in the Douro Valley generally has pleasant temperatures, with precipitation levels ranging from moderate to high.

Temperatures

You can expect pleasant maximum daytime temperatures of around 20°C (68°F) and nighttime temperatures around 14°C (57°F) in Porto.

To explore the conditions in the Douro Valley, Portugal in more detail, check the map below.

Precipitation

In May, precipitation varies across different areas. From moderate rainfall in Pinhão with an average of 69 mm (2.7 in) to high rainfall in Vila Nova de Gaia with 103 mm (4.1 in).

Average sunshine

Plenty of sunshine can be expected in numerous places in May. Porto typically receives 255 hours of sunlight, making it ideal for those seeking sunny weather.

Explore the Douro Valley by month

Pick a month to see the average temperature, rainfall and sunshine in the Douro Valley - and find the best time to visit. (based on Porto)

Best Places to Visit in the Douro Valley in May

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

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 the Douro Valley

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

Temperature range in the Douro Valley (May)

Precipitation variation in the Douro Valley (May)

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 excellent that month.

May
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

Vila Nova de Gaia

In May Vila Nova de Gaia generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 13°C (55°F) and high monthly rainfall. So on average the conditions are very good that month.

May
April
May
June
Max temperature
18°C (64°F)
21°C (70°F)
23°C (73°F)
Min temperature
11°C (52°F)
13°C (55°F)
16°C (61°F)
Monthly sun hours
218 hours
255 hours
278 hours
Monthly rainfall
125 mm (4.9 in)
103 mm (4.1 in)
42 mm (1.7 in)
Monthly rainy days
14 days
13 days
9 days
Weather conditions

Lamego

In May Lamego generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are excellent that month.

May
April
May
June
Max temperature
17°C (63°F)
21°C (70°F)
25°C (77°F)
Min temperature
7°C (45°F)
10°C (50°F)
13°C (55°F)
Monthly sun hours
218 hours
255 hours
278 hours
Monthly rainfall
107 mm (4.2 in)
91 mm (3.6 in)
41 mm (1.6 in)
Monthly rainy days
15 days
13 days
10 days
Weather conditions

Peso da Régua

In May Peso da Régua generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are excellent that month.

May
April
May
June
Max temperature
17°C (63°F)
21°C (70°F)
25°C (77°F)
Min temperature
7°C (45°F)
10°C (50°F)
13°C (55°F)
Monthly rainfall
104 mm (4.1 in)
88 mm (3.5 in)
40 mm (1.6 in)
Monthly rainy days
15 days
13 days
10 days
Weather conditions

Pinhão

In May Pinhão generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are excellent that month.

May
April
May
June
Max temperature
18°C (64°F)
21°C (70°F)
26°C (79°F)
Min temperature
7°C (45°F)
10°C (50°F)
13°C (55°F)
Monthly rainfall
80 mm (3.1 in)
69 mm (2.7 in)
31 mm (1.2 in)
Monthly rainy days
14 days
13 days
10 days
Weather conditions

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

Popular cities in May

Day & night temperatures, rainfall and average weather in the Douro Valley in May.

City Weather Day temp Night temp Rainfall
Porto 20°C (68°F) 14°C (57°F) 98 mm (3.9 in)
Vila Nova de Gaia 21°C (70°F) 13°C (55°F) 103 mm (4.1 in)
Lamego 21°C (70°F) 10°C (50°F) 91 mm (3.6 in)
Peso da Régua 21°C (70°F) 10°C (50°F) 88 mm (3.5 in)
Pinhão 21°C (70°F) 10°C (50°F) 69 mm (2.7 in)

The Douro Valley weather in May: frequently asked questions

What is the weather like in the Douro Valley, Portugal in May?

In May, the Douro Valley, Portugal generally has excellent weather conditions. Porto sees daytime temperatures near 20°C (68°F), with nights cooling to roughly 14°C (57°F).

What is the average temperature in the Douro Valley, Portugal in May?

Daytime temperatures in Porto peak at roughly 20°C (68°F) in May, dropping to about 14°C (57°F) overnight.

Does the Douro Valley, Portugal get a lot of rain in May?

Not particularly. Porto averages just 98 mm (3.9 in) of rain in May, making it a mostly dry month for the Douro Valley, Portugal.

Is May a Good Time to Visit the Douro Valley, Portugal?

We consider May to be one of the best times to travel to the Douro Valley, Portugal. Typically, the climate in Porto is excellent. It's worth noting that weather conditions might differ depending on the location you visit.

On average, the best time to visit the Douro Valley, Portugal is in May, June, July, August and September with generally excellent weather in Porto. On the other hand, the months of January, February, March, November and December tend to have mixed weather conditions.

Interested in more climate information?

We have much more information about the climate in the Douro Valley.

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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