May weather forecastPortas, Spain

May

Weather in May

The last month of the spring, May, is another refreshing month in Portas, Spain, with an average temperature ranging between max 19.1°C (66.4°F) and min 10.1°C (50.2°F).

Temperature

Portas's average high-temperature in May is a still comfortable 19.1°C (66.4°F), marking an insignificant difference from the 16.3°C (61.3°F) of April. Portas experiences an average low-temperature of 10.1°C (50.2°F) in the month of May.

Humidity

In Portas, the average relative humidity in May is 78%.

Rainfall

In Portas, in May, during 10.7 rainfall days, 41mm (1.61") of precipitation is typically accumulated. Throughout the year, there are 143.1 rainfall days, and 813mm (32.01") of precipitation is accumulated.

Daylight

The average length of the day in May is 14h and 38min.
On the first day of the month, sunrise is at 07:28 and sunset at 21:34. On the last day of May, sunrise is at 06:59 and sunset at 22:05 CEST.

Sunshine

The average sunshine in May in Portas, Spain, is 8.2h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 5 during May translates into the following directions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.

Updated: Aug 21, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature, in May, in Portas, is 19.1°C (66.4°F), while the average low-temperature is 10.1°C (50.2°F).

The average relative humidity in May in Portas is 78%.

In Portas, in May, it is raining for 10.7 days, with typically 41mm (1.61") of accumulated precipitation.

In Portas, the average day length in May is 14h and 38min.

In May, on the first day of the month, sunrise is at 07:28 and sunset at 21:34. On the last day of the month, sunrise is at 06:59 and sunset at 22:05 CEST.

In Portas, the average sunshine duration in May is 8.2h.

The months with the highest UV index are May through August, with an average maximum UV index of 5.

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

16.3°C

19.1°C

21.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

11.9km/h

11.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

13.8

18.6

17.8

Average UV index

Average cloud cover

43%

36%

Average visibility

9km

Average temperature in May
Portas, Spain

Average high temperature in May: 19.1°C

The warmest month (with the highest average high temperature) is August (24.4°C).
The month with the lowest average high temperature is January (11.5°C).

Average low temperature in May: 10.1°C

The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is February (5.9°C).

Average pressure in May
Portas, Spain

Average pressure in May: 1017.1mbar

The month with the highest atmospheric pressure is December (1021.9mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).

Average wind speed in May
Portas, Spain

Average wind speed in May: 11.1km/h

The windiest month (with the highest average wind speed) is February (13.5km/h).
The calmest month (with the lowest average wind speed) is September (9.8km/h).

Average humidity in May
Portas, Spain

Average humidity in May: 78%

The months with the highest relative humidity are January and November (86%).
The month with the lowest relative humidity is August (75%).

Average rainfall in May
Portas, Spain

Average rainfall in May: 41mm

The wettest month (with the highest rainfall) is November (138mm).
The driest month (with the least rainfall) is July (13mm).

Average rainfall days in May
Portas, Spain

Average rainfall days in May: 10.7 days

The months with the highest number of rainy days are January and November (16.8 days).
The month with the least rainy days is August (5.9 days).

Average daylight in May /
Average sunshine in May
Portas, Spain

Average daylight in May: 14h and 36min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

Average sunshine in May: 8h and 12min

The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

Average sunshine days in May
Portas, Spain

Average sunshine days in May: 18.6 days

The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is November (12.2 days).

Average UV index in May
Portas, Spain

Average UV index in May: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).

Average cloud cover in May
Portas, Spain

Average cloud cover in May: 36

The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July, August and September (Cloud cover 26).

Average visibility in May
Portas, Spain

Average visibility in May: 9km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).