Weather in Porto in May 2024
Average weather
Average temperature in Porto in May
The expected average maximum temperature in May is +23°C with a maximum of +31°C and a minimum of +10°C.
The average maximum temperature goes up 24% by the end of the month, compared with the beginning of the month, from +17°C to +22°C.
Is Porto warm or cold in May?
Porto is typically mild in May.
Maximum temperatures go up compared to the previous month from +17°C to +19°C. The minimum temperature also goes up from +10°C to +13°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how May is compared to other months in Porto:
Climate in Porto in May
| April | May | June | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +17°C | +19°C | +22°C | ||||
| Min. temperature | ||||||
| +3°C | +5°C | +9°C | ||||
| Max. temperature | ||||||
| +30°C | +33°C | +34°C | ||||
| Rainfall | ||||||
| 104 mm | 80 mm | 31 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 74% | 75% | 75% | ||||
| Air pressure | ||||||
| 1014 HPa | 1015 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 11 | 11 | 13 | ||||
| Cloudy days | ||||||
| 10 | 13 | 13 | ||||
| Rainy days | ||||||
| 9 | 7 | 4 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
May weather is still as good as in April. It’s getting warmer as May arrives. The average maximum temperature goes up from +17°C to +19°C during the day. As May arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 104 mm to 80 mm. Humidity rises from 74% to 75%. The average wind speed doesn’t change much during May, staying around 2 m/s. The amount of sunny days stay about the same, averaging 11 sunny days during the month.
June brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Porto is gradually decreasing during May, going from 3 m/s to 2 m/s over the course of the month.
Rain
How was the weather last May in Porto?
Climate Change over Years
The climate in Porto in May has not changed much over the last 43 years.
The average temperature was the lowest in 1984 (+16°C) and the highest in 2020 (+26°C). The driest year was 1991 with only 3 mm of rainfall, and the wettest year was 1994 with 251 mm.
FAQ
Is May a good time to visit Porto?
Can you sunbathe in Porto in May?
Is Porto rainy in May?
Is it sunny in Porto in May?
Other cities in Portugal
Monthly weather in Porto
Source of the data
For this page, we’ve looked at the typical weather in Porto, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.