Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average sea temperature in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May brings a slight rise in Vila Franca de Xira's average high-temperature, moving from an agreeable 20°C (68°F) in April to a warm 23.4°C (74.1°F). The month of May records an average low-temperature of 13.2°C (55.8°F) in Vila Franca de Xira.Humidity
The average relative humidity in May is 67%.Rainfall
In Vila Franca de Xira, Portugal, in May, it is raining for 7 days, with typically 24mm (0.94") of accumulated precipitation. In Vila Franca de Xira, Portugal, during the entire year, the rain falls for 97 days and collects up to 309mm (12.17") of precipitation.Sea temperature
In Vila Franca de Xira, the average seawater temperature in May is 17.5°C (63.5°F).Note: The majority of people find swimming in 17.5°C (63.5°F) unenjoyable. As the water temperature decreases from 21°C (69.8°F) to 15°C (59°F), breathing becomes more challenging to control.
Daylight
The average length of the day in May is 14h and 19min.On the first day of the month, sunrise is at 06:37 and sunset at 20:28. On the last day of May, in Vila Franca de Xira, Portugal, sunrise is at 06:12 and sunset at 20:55 WEST.
Sunshine
The average sunshine in May in Vila Franca de Xira is 10.1h.UV index
In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In May, the maximum UV index of 5 suggests these recommendations:
Exercise prevention - Warding off sunburn is urged. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Vila Franca de Xira?
What is the average humidity in May in Vila Franca de Xira?
How many days does it rain in May in Vila Franca de Xira?
How cold is the water in May in Vila Franca de Xira?
What is the average length of the day in May in Vila Franca de Xira?
When is the sunrise / sunset in May in Vila Franca de Xira?
How many hours of sunshine does Vila Franca de Xira have in May?
How high is the UV index in May in Vila Franca de Xira?
Average temperature in May
Vila Franca de Xira, Portugal
- Average high temperature in May: 23.4°C
The warmest month (with the highest average high temperature) is August (30.1°C).
The month with the lowest average high temperature is January (14.6°C).
- Average low temperature in May: 13.2°C
The month with the highest average low temperature is July (16.5°C).
The coldest month (with the lowest average low temperature) is February (7.7°C).
Average pressure in May
Vila Franca de Xira, Portugal
- Average pressure in May: 1016.4mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in May
Vila Franca de Xira, Portugal
- Average wind speed in May: 13.2km/h
The windiest month (with the highest average wind speed) is July (14.2km/h).
The calmest month (with the lowest average wind speed) is October (11km/h).
Average humidity in May
Vila Franca de Xira, Portugal
- Average humidity in May: 67%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (64%).
Average rainfall in May
Vila Franca de Xira, Portugal
- Average rainfall in May: 24mm
The wettest month (with the highest rainfall) is November (56mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in May
Vila Franca de Xira, Portugal
- Average rainfall days in May: 7 days
The month with the highest number of rainy days is April (12.8 days).
The month with the least rainy days is July (2.2 days).
Average sea temperature in May
Vila Franca de Xira, Portugal
- Average sea temperature in May: 17.5°C
The best month for swimming (with the highest average sea temperature) is September (20°C).
The coldest month (with the lowest average sea temperature) is March (15.2°C).
Average daylight in May /
Average sunshine in May
Vila Franca de Xira, Portugal
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 10h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in May
Vila Franca de Xira, Portugal
- Average sunshine days in May: 22.3 days
The month with the most sunshine days is July (28.4 days).
The month with the least sunshine days is April (15.8 days).
Average UV index in May
Vila Franca de Xira, Portugal
- Average UV index in May: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in May
Vila Franca de Xira, Portugal
- Average cloud cover in May: 27
The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in May
Vila Franca de Xira, Portugal
- Average visibility in May: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
Vila Franca de Xira, Portugal
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