World Resorts Portugal Porto Weather

Porto weather in May

Weather in Porto: May

Average day temperature: 68.7°F
Average night temperature: 56.9°F
Sea water temperature: 59.7°F
Number of sunny days: 18 days
Day length: 14.0 - 14.9 hours
Number of rainy days: 4 days
Precipitation totals: 2.3 in.

Air temperature in May, °F

Show year:
2024
2023
2022

The highest day temperature during May of 2024 was 77°F. At the same time the lowest night temperature was 49°F. Day and night temperature averages during May were 63.7°F and 55.7°F.

Sea water temperature in Porto in May, °F

Show year:
2024
2023
2022

The average sea water temperature in May of 2024 was 58.6°F. The highest and lowest sea temperatures during the month were 60.1°F and 57.4°F.

Sunny, partly cloudy and cloudy days

Mostly all days in May are sunny but cloudy days are also possible.

Precipitation total in May, in.

Precipitation total value in Porto in May is 2.3 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 8.2 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 9.3.

Porto weather reviews

Sofia, May 2023
I love traveling to European cities. In May, the opportunity arose to visit the city of Porto. Of course, I didn’t even think about swimming in the sea, because the water temperature is not suitable for this. But for visiting sights and excursions, May is a suitable month. It's already quite warm. During the day the temperature remained around twenty degrees. But at the same time, it’s not hot, which can also be a plus for excursions. True, one day out of two weeks there was not much rain, which quickly ended and did not really interfere with the walk around the city.

Best time for vacation in Porto

Sunniest months:
August 25 days
July 24 days
September 21 days
Warmest months:
August 78.1 °F
July 77.7 °F
September 75.9 °F
Warmest sea temp:
September 63.5 °F
August 62.8 °F
October 62.6 °F
Coldest months:
January 56.6 °F
February 57.7 °F
December 58.8 °F
Rainiest months:
November 9 days
December 8 days
October 8 days
Windiest months:
February 8.4 mph
March 8.3 mph
November 8.1 mph

Porto on a weather map

Porto
+59°F
NE 16 mph
Feels like: +59°F
Precip.: 100%
Places in Portugal:
Name
°F
+63°F
+64°F
+63°F
+63°F
+63°F
+63°F
+64°F
+66°F
+63°F
+59°F
+66°F
+63°F
+63°F
+64°F
24 Hours Forecast
Porto
Local time: 17:28
November 21, thursday
1800
59°F
NE
16 mph
2100
61°F
E
16 mph
November 22, friday
0000
61°F
E
17 mph
0300
57°F
SE
9 mph
0600
57°F
SE
7 mph
0900
57°F
E
2 mph
1200
59°F
NE
4 mph
1500
61°F
NE
6 mph

Best place for vacation:

Units of measurement: °C / °F