Last updated: June 2, 2025
Understanding the UV Index is essential for both residents and visitors in Santa Catalina, Colombia, where the tropical climate brings abundant sunshine year-round. With peak UV levels reaching as high as 13 during midday, being informed about UV exposure is crucial for preventing sunburn and protecting skin health. Awareness of these levels not only helps you enjoy outdoor activities safely but also minimizes long-term skin damage. As you explore the beautiful landscapes of Santa Catalina, keep in mind that the region's typical weather patterns can lead to significant UV exposure risks, especially during the hottest hours of the day. Stay vigilant and safeguard your skin while soaking up the sun!
The UV Index data reveals a dynamic fluctuation throughout the day, peaking at a maximum of 13 around noon. The morning starts off gently, with readings of only 1 at 07:00 and 3 by 08:00, perfect for early risers. However, as the sun ascends, the intensity rises sharply, hitting a critical 10 by 10:00 and reaching its zenith at 12 by 11:00 and 13 by 12:00. The afternoon sees a gradual decline, with values dropping to 9 at 14:00, and then further sliding to 6 by 15:00. As evening approaches, the UV Index dwindles to 3 by 16:00, and finally tails off to 1 by 17:00, nurturing a calmer end to the day. With clear awareness of these fluctuations, individuals can effectively plan their outdoor activities, ensuring protection during the most intense hours.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV Index levels exhibit a pattern of extreme intensity, with values peaking at 14 in March and April. The high-risk months for UV exposure are clearly identified from February to October, where the UV Index consistently remains between 11 and 14, making outdoor activities particularly hazardous. During this period, the recommended burn time is as little as 10 minutes for lighter skin tones, emphasizing the need for caution. As a reminder for both visitors and residents, it is crucial to practice sun safety measures such as wearing sunscreen, protective clothing, and hats, and seeking shade, particularly during peak sunlight hours to minimize the risk of skin damage. In contrast, December sees a slight decrease in UV exposure, though care should still be taken, as burn time increases to 15 minutes.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Santa Catalina | 11 | 12 | 14 | 14 | 13 | 13 | 12 | 13 | 13 | 13 | 11 | 10 |
| Barranquilla UVI | 11 | 12 | 14 | 14 | 13 | 12 | 13 | 13 | 13 | 13 | 11 | 10 |
| Cartagena UVI | 11 | 11 | 13 | 15 | 13 | 13 | 12 | 13 | 13 | 13 | 11 | 10 |
| Medellin UVI | 14 | 15 | 17 | 16 | 16 | 14 | 14 | 15 | 14 | 14 | 13 | 12 |
| Cali UVI | 15 | 16 | 17 | 17 | 15 | 14 | 14 | 14 | 15 | 14 | 13 | 12 |
| Bogota UVI | 15 | 16 | 18 | 18 | 17 | 15 | 15 | 16 | 15 | 15 | 14 | 13 |