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UV Index in Santiago

UV index


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Today's UV index in Santiago, Chile Chile will be up to 3.2, 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.


Today's tips

With a UV index reaching up to 3.2 in Santiago, 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.

Santiago's UV Index

The UV index in Santiago, Chile, is often high due to its location near the southern hemisphere's mid-latitudes. On clear days, the index can reach extreme levels, posing health risks for those overexposed to sunlight.

Weather Seasons

UV index

Santiago experiences four distinct seasons: a mild, wet spring and autumn, a hot and dry summer, and a cold, snowy winter. The Andes Mountains to the east significantly influence the city's climate.

Santiago's Climate

Compared to its region and neighboring countries, Santiago's weather is relatively mild. The city has less rainfall and cooler temperatures than many other areas in Chile, and it's warmer and drier than cities in Argentina and Bolivia at similar latitudes.

Annual Sun Radiation

The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Santiago. It's designed to provide you with a better understanding of the yearly weather and sun exposure.


* This page's content about the UV index in Santiago (Chile) is for educational and informational purposes only. The developers and data providers are not liable for the accuracy, reliability, or availability of the information. The information is not a substitute for professional medical advice, and the developers and data providers are not medical professionals. Seek advice from a qualified health provider for any medical concerns, and do not disregard medical advice or delay seeking it based on the information provided on this site.