UV Index
UV Index
Today's UV index in Horta, Portugal 
will be up to 7.8, 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: 2025-05-09
With Horta's UV index reaching 7.8, 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.
Horta, Portugal has a moderate UV index that ranges from low to moderate throughout the year, generally peaking during summer months around 7 to 8. This means sun exposure varies but is not extreme.
The weather in Horta shows mild, wet winters with temperatures around 14°C (57°F) and warm, dry summers reaching up to 25°C (77°F). Rainfall mainly happens from November to March, while summers stay mostly dry and sunny.
Compared to mainland Portugal, Horta is cooler and more humid due to its island location in the Azores. It experiences milder winters and cooler summers than southern Portugal but has similar rainfall patterns to nearby Atlantic islands.
See the UV index hour by hour for Horta, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.