Porto in may: average Weather, Temperature and Climate
Weather in Porto in may 2025
The weather in Porto in may comes from statistical datas on the last years. You can view the weather statistics the entire month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout may
good weather
Weather at 6am
58°F
Clear/Sunny
47% of time
23%
13%
7%
Weather at 12pm
70°F
Clear/Sunny
51% of time
21%
16%
7%
Weather at 6pm
67°F
Clear/Sunny
56% of time
19%
13%
8%
Weather at 3am
58°F
47%
18%
13%
10%
Evolution of daily average temperature and precipitation in Porto in may
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Porto in may.
The climate of Porto in may is good
Corresponding to the heart of the spring season, the weather in Porto throughout May benefits from the pleasantly comfortable climate during the day and the gradual regression of precipitation. The days are similar to each other and are often magnificent in spite of a few rainy episodes as well as a few clouds punctuating the sky.
Porto at the Beginning of May
The beautiful sunny days dominate the climate of the first period. Even if the rains are not excluded, they dissipate quickly and have little influence on the quality of the weather. Such follows a clear weather with a few clouds, favorable to tourist visits.
Porto in the Middle of May
Thanks to the slight rise in temperature, it is now possible to dress in a T-shirt and light clothing in the middle of day. Even if the temperature is relatively mild in the morning, the beautiful sun favors a feeling of comfort - especially if one likes to get active and participate in morning exercises.
Porto at the End of May
Rainfall continues to decrease in intensity. This means that even if the temperature drops slightly - with values varying between 11° C and 19° C, the climate throughout May in Porto remains welcoming. The sunny days will accompany one and allow to spend unforgettable moments.
Seasonal average climate and temperature of Porto in may
Check below seasonal norms These datas are generated from the weather statements earlier years of may.
| May | |||||
| Outside temperature | |||||
| Average temperature | 65°F | ||||
| Highest temperature | 70°F | ||||
| Lowest temperature | 58°F | ||||
| Highest record temperature | 92°F (2009) | ||||
| Lowest record temperature | 45°F (2013) | ||||
| Number of days at +86°F | 1 day(s) (3%) | ||||
| Number of days at +65°F | 22 day(s) (71%) | ||||
| Sea temperature | |||||
| Average sea temperature | 62°F | ||||
| Lowest sea temperature | 58°F | ||||
| Highest sea temperature | 66°F | ||||
| Wind | |||||
| Wind speed | 17km/h | ||||
| Wind temperature | 58°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 4.1in | ||||
| Number of days with rainfall | 6 day(s) (20%) | ||||
| Record daily rainfall | 2.8in (2017) | ||||
| Other climate data | |||||
| Humidity | 82% | ||||
| Visibility | 9.3km | ||||
| Cloud cover | 29% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 14 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:16 | ||||
| Time of sunset | 19:46 | ||||
| Length of day | 14:30 | ||||
| Our opinion about the weather in may | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last may?
Here is the day by day recorded weather in Porto in may 2024:
49°F to 58°F
50°F to 59°F
50°F to 59°F
56°F to 59°F
58°F to 59°F
50°F to 61°F
52°F to 67°F
59°F to 76°F
61°F to 72°F
61°F to 72°F
58°F to 68°F
58°F to 65°F
59°F to 63°F
54°F to 59°F
52°F to 59°F
54°F to 61°F
54°F to 61°F
56°F to 59°F
54°F to 61°F
54°F to 63°F
56°F to 63°F
56°F to 61°F
50°F to 67°F
56°F to 68°F
56°F to 67°F
58°F to 65°F
54°F to 67°F
58°F to 70°F
59°F to 74°F
63°F to 77°F
65°F to 79°F
Map: other cities in Portugal in may
Cities near Porto:
| Vila Nova de Gaia in may | good weather |
| Canidelo in may | good weather |
| Leca da Palmeira in may | good weather |
| Arcozelo in may | good weather |
| Lavra in may | good weather |
| Espinho in may | good weather |
| Esmoriz in may | good weather |
| Vila do Conde in may | good weather |
| Paredes in may | good weather |
| Póvoa de Varzim in may | good weather |
| Pedroso in may | good weather |
| Sao Joao da Madeira in may | good weather |
Click over cities on the map for information about the weather in may.
Porto
perfect weather
good
tolerable
bad
very bad
Weather data for Porto in may:
Weather data for Porto for may are derived from an average of the weather forecast since 2009 in Porto. There is a margin of error and these forecasts are to be considered as general information only. The weather in Porto can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Porto.