UV Index History for Viana do Castelo

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☀️ Sun Safety: When the UV index is high, protect yourself with sunscreen, shade, and a hat. Values of 6 or more indicate increased sunburn risk!
The UV index in Viana do Castelo measures the intensity of ultraviolet radiation reaching the ground. Values below 3 are considered low risk, while 6 and above require sun protection such as sunscreen, sunglasses, and shade. Check the 14-day trend above to plan your outdoor activities safely. See today's sunrise and sunset times for Viana do Castelo or discover the best light for photos during the golden hour in Viana do Castelo.