The weather in May in Porto

It's warm in May in Porto with an average temperature of 23°C. Temperatures this month range from a low of 19°C to a high of 26°C. At night, you can expect temperatures between 12°C and 16°C.

Looking for great weather? May is a good time to be in Porto. The temperatures are nice, and there’s not too much rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for Porto, Corsica. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 31°C in 2022, Porto reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 15°C in 2019. The extreme nighttime temperatures ranged from a lowest recorded value of 6°C to a highest value of 21°C.

Rainfall amount

In May, there is an average of 35 mm of precipitation, spread over 7 days. The wind speed is around 4 Bft, mostly coming from the Southwest.

Daily weather in May for Porto

Click on any day in May to get detailed info about the usual weather on that day in Porto. Check out the historical temperatures and precipitation over the past 10 years on this day.

May weather comparison

  Porto New York
Average temperature 23°C 22°C
Max. temperature 26°C 28°C
Min. temperature 12°C -5°C
Total precipitation 35 mm 105 mm
Rainy days 7 days 14 days

Start of May

The month of May starts in Porto with warm temps, averaging around 22°C during the day and nights around 13°C.

Mid May

By mid-May, daytime temps rise to around 23°C, with nights around 14°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of May

By the end of May, the average daytime temperature in Porto is around 25°C, while nighttime temps are about 16°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.

UV index

The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Check out the climate of Porto for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in May in Porto, Corsica. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in May in Porto

Temperature in May in Porto over the years

Precipitation charts

These charts show the average amount of precipitation in May in Porto, Corsica. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in May in Porto

Total precipitation in May in Porto over the years

Daily UV index in May in Porto

This chart shows the average daily UV index in May in Porto, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in May in Porto

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Average weather in Porto by month

Click on a month below to see detailed weather info for Porto. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.