Weather in Porto in May
How warm is it in Porto in May?
In May the typical daytime high in Porto is 19.9 °C on average, from 18.8 °C at the start to 21.2 °C at the end of the month.
That is 1.8 °C warmer than in April and 2.2 °C cooler than in June.
Click a day for more: afternoon and night, the usual range, records and how fast it is warming.
Measured at the weather station Porto, 2 km away.