UV Index in Santiago, Colombia

Last updated: May 3, 2025

In Santiago, Colombia, staying informed about the UV Index is crucial for safeguarding your skin health and preventing sunburn. As this vibrant city enjoys a Cfb climate characterized by sunny afternoons, awareness of UV levels can help you plan your outdoor activities responsibly. With peak UV Index values soaring as high as 16 between noon and early afternoon, understanding these levels is key to shielding yourself from harmful rays and ensuring enjoyable, safe moments under the sun. Whether you're exploring the stunning landscapes or simply soaking up the local culture, keeping an eye on the UV Index will enable you to protect your skin and enjoy Santiago to the fullest!

Hourly UV Index in Santiago

At 07:00, the UV Index starts gently at 1, but by 08:00, it begins to rise, reaching 3. As the sun ascends, an increase in intensity is evident, soaring to 7 by 09:00. The peak of the day occurs between 11:00 and 12:00, where the UV Index hits its highest point at 16, emphasizing the need for sun protection during these hours. As the afternoon rolls in, the index gradually declines, dropping to 15 at 13:00 and further decreasing to 12 by 14:00. The latter part of the day sees a significant drop, with readings falling back to 7 at 15:00 and tapering off to 1 by 17:00. The UV levels finally relax to 0 by 19:00, marking the end of a sun-drenched day. Always stay vigilant and protect your skin during those peak hours!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
TimeUVICategoryTime to Burn
07:001low45 min
08:003moderate30 min
09:007high25 min
10:0011extreme10 min
11:0015extreme10 min
12:0016extreme10 min
13:0015extreme10 min
14:0012extreme10 min
15:007high25 min
16:003moderate30 min
17:001low45 min
18:001low45 min
19:000low45 min

Monthly UV Index Trends in Santiago

The UV Index data indicates extreme levels of ultraviolet radiation throughout the year, with particularly high values in March (19) and April (19). Residents and visitors should be especially cautious during these months, as they coincide with the highest risk for skin damage and sunburn, requiring only 10 minutes of sun exposure to receive harmful effects. January through May also reflect high risk with UV Index values consistently above 17, while October through December demonstrate slightly reduced values, yet still pose a risk. It’s advisable to use sunscreen, wear protective clothing, and limit sun exposure during peak hours from January through May and again in the fall, ensuring skin health is prioritized year-round.

Monthly Maximum UV Index for Santiago, Colombia

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Santiago. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec171719191614151516171514
Data source: Statistical UV Index data for Santiago, based on information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

Compare Santiago UV Index with Other Colombia Cities

The table above highlights how UV exposure in Santiago compares to other major locations across Colombia. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Santiago's solar exposure compared to other cities in Colombia. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Barranquilla UVI111214141312131313131110
Cartagena UVI111113151313121313131110
Medellin UVI141517161614141514141312
Cali UVI151617171514141415141312
Bogota UVI151618181715151615151413
Santiago171719191714151516171513