UV Index
UV Index
Today's UV index in Aveiro, Portugal 
will be up to 6.6, indicating a high level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.
Last checked: 2025-05-10
With Aveiro's UV index reaching 6.6, protect your skin from harm by staying in shade, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours, especially between 10 a.m. and 4 p.m. when UV rays are strongest.
The UV index in Aveiro, Portugal, usually ranges from low to moderate levels throughout the year, peaking during summer months around 8 to 9. Winter months have much lower UV levels, typically below 3.
Aveiro has mild, rainy winters and warm, dry summers. Spring and autumn are transitional with moderate rain and temperatures. Rainfall is highest in winter and lowest in summer, creating a seasonal weather cycle with pleasant warmth in summer and coolness in winter.
Compared to other places in Portugal, Aveiro is cooler and wetter because it is near the Atlantic Ocean. It has milder summers than inland areas and more rain than southern parts of Portugal. Neighboring Spain's coastal regions share similar oceanic influences.
See the UV index hour by hour for Aveiro, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.