UV Index
UV Index
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Today's UV index in Horta, Portugal 
will be up to 3.7, indicating a moderate level of sun exposure for the average person. Check the annual sun radiation in the city and our tips for today to make sure you're safe in the sun.
With a UV index reaching up to 3.7 in Horta, stay shaded during midday when the sun is strongest; wear protective clothing, a wide-brimmed hat, UV-blocking sunglasses; apply SPF 30+ sunscreen every 2 hours, even on cloudy days; and be cautious of heightened UV on bright surfaces.
Horta, Azores, Portugal has a mild oceanic climate, with moderate temperatures and high humidity throughout the year. The UV index is typically low, ranging from 2 to 6, making it suitable for outdoor activities.
The weather seasons in Horta are mild, with winter temperatures ranging from 12°C to 15°C (54°F to 59°F) and summer temperatures between 18°C to 22°C (64°F to 72°F). Spring and autumn are pleasant, with temperatures around 15°C to 18°C (59°F to 64°F).
Compared to the rest of the Azores region, Horta's weather is relatively mild, with temperatures similar to those in nearby islands. In contrast, neighboring countries such as Portugal's mainland and Spain experience hotter summers and colder winters, making Horta a unique and pleasant destination.