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High UV Radiation Risk in Madeira and Mainland Portugal This Weekend

Madeira GuideMadeira Guide
July 17, 2026
3 min read

Madeira and mainland Portugal are facing a very high risk of UV radiation exposure this weekend, with levels reaching 9 in Madeira and 10 in Porto Santo, the highest in the nation.

Residents and tourists in Madeira and mainland Portugal are advised to take precautions as the regions face a very high risk of exposure to ultraviolet (UV) radiation. The Instituto Português do Mar e da Atmosfera (IPMA) has issued warnings for all districts in mainland Portugal and the Madeira archipelago.

In particular, the UV index has reached a level of 9 in Madeira and 10 in Porto Santo, marking these areas as having the highest UV radiation levels in the entire country. Such levels are considered very high and pose a significant risk to skin health, emphasizing the need for protective measures.

The Azores archipelago is also experiencing high UV levels, with Terceira, Faial, and Flores islands under very high risk, while São Miguel is currently at moderate risk. The IPMA has urged people to avoid prolonged exposure to the sun, especially during peak hours, and to use sunscreen, wear protective clothing, and seek shade whenever possible.

The high UV index is attributed to clear skies and high solar angles during the summer months, a common occurrence that requires public awareness and preventive actions. For those visiting the region, understanding these levels is crucial to enjoying the outdoors safely.

Tourists are encouraged to explore Madeira's natural beauty and outdoor activities, but with caution and preparation to prevent adverse effects from UV exposure. This advice is particularly pertinent for families with children and individuals with sensitive skin.

Sources

Madeira Guide

Madeira Guide

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