May weather forecast
Angra do Heroísmo, Portugal

May, the last month of the spring in Angra do Heroísmo, is also an enjoyable month, with temperature in the range of an average high of 18.8°C (65.8°F) and an average low of 13.7°C (56.7°F).

Temperature

As May takes its course, Angra do Heroísmo's average high-temperature registers at a still enjoyable 18.8°C (65.8°F), closely aligning with the preceding month. The low-temperature in Angra do Heroísmo averages to a still refreshing 13.7°C (56.7°F) during the nights of May.

Rainfall

In Angra do Heroísmo, in May, it is raining for 13.9 days, with typically 72mm (2.83") of accumulated precipitation. In Angra do Heroísmo, during the entire year, the rain falls for 188 days and collects up to 1099mm (43.27") of precipitation.

Sea temperature

In Angra do Heroísmo, in May, the average water temperature is 17.3°C (63.1°F).
Note: In water with a temperature of 17.3°C (63.1°F), swimming is not a joy for most people. The challenge of controlling breathing increases as the temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

In Angra do Heroísmo, the average length of the day in May is 14h and 17min.
On the first day of the month, sunrise is at 06:50 and sunset at 20:41. On the last day of May, in Angra do Heroísmo, sunrise is at 06:26 and sunset at 21:07 +00.

Sunshine

In May, the average sunshine is 6h.

UV index

In Angra do Heroísmo, Portugal, the average daily maximum UV index in May is 8. A UV Index estimate of 8 to 10 represents a very high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily high UV index of 8 during May translates into the following recommendations:
With the absence of protection, damage to skin and eyes can occur instantly. Ensure precautions are taken. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.