UV Index
UV Index
Today's UV index in Cuzco, Peru 
will be up to 10.5, 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: 2025-07-21
With a UV index of 10.5 in Cuzco, 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 Cuzco is often high, especially during the dry season, due to its high altitude. Values frequently reach levels that require sun protection for the skin and eyes.
Cuzco experiences a dry season from May to September with clear skies and cool nights. The rainy season runs from October to April, bringing frequent afternoon showers and warmer temperatures.
Compared to the wider Andes region, Cuzco is cooler because it sits at about 3,400 meters above sea level. Neighboring countries like Bolivia and Ecuador have similar mountain climates but with varying rainfall patterns and temperatures.
See the UV index hour by hour for Cuzco, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.