May weather forecast
Quarteira, Portugal

In May, the pleasant weather dominates Quarteira. Outdoor enthusiasts find this month perfectly suited to their activities as rainfall significantly drops from April's 40mm (1.57") to a meager 29mm (1.14"). A warmer atmosphere prevails, and it paves the way to sun-filled June. The noticeably longer daylight hours provide extra time for tourists to relish the city's attractions. May, with its agreeable climatic elements, is a great time to visit Quarteira, especially for beach lovers.

Temperature

With the onset of May, the average high-temperature subtly transitions from a comfortable 19°C (66.2°F) in April to a pleasant 22°C (71.6°F). Quarteira's nighttime temperature in May falls to an average of 12°C (53.6°F).

Rainfall

In Quarteira, Portugal, in May, it is raining for 5 days, with typically 29mm (1.14") of accumulated precipitation. Throughout the year, there are 77 rainfall days, and 557mm (21.93") of precipitation is accumulated.

Sea temperature

In May, the average sea temperature is 18.4°C (65.1°F).
Note: Most people find swimming in 18.4°C (65.1°F) unenjoyable. As the water temperature falls from 21°C (69.8°F) to 15°C (59°F), controlling one's breathing becomes harder.

Daylight

The average length of the day in May in Quarteira, Portugal, is 14h and 10min.
On the first day of the month, sunrise is at 06:37 and sunset at 20:21. On the last day of May, in Quarteira, sunrise is at 06:14 and sunset at 20:46 WEST.

Sunshine

In May, the average sunshine is 10h.

UV index

In May, the average daily maximum UV index is 8. A UV Index of 8 to 10 symbolizes a very high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 8 in May interprets into the following recommendations:
Always be mindful of protection. The risk of damage to skin and eyes is significant if neglected. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.