UV Index
UV Index
Today's UV index in Calheta, Portugal 
will be up to 9.6, indicating a very 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: 2025-07-13
With a UV index of 9.6 in Calheta, it's crucial to safeguard your skin from harmful UV rays. Protect yourself by minimizing sun exposure, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours.
The UV index in Calheta, Portugal, generally ranges from moderate to high, especially during summer months. It can reach up to 8 or 9, indicating strong sun exposure around midday.
Calheta experiences mild, wet winters with temperatures around 15°C to 20°C and warm, dry summers where temperatures often reach 25°C to 30°C. Rainfall mostly happens between October and March.
Compared to mainland Portugal, Calheta has a milder climate due to its island location in Madeira. It is warmer and less rainy than northern Portugal and has more stable temperatures than nearby African coasts.
See the UV index hour by hour for Calheta, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.