Last updated: July 2, 2025
In San Antonio, Colombia, understanding the UV Index is crucial for protecting your skin and overall health. With high UV levels typically peaking at 11 to 15 around midday, awareness of these values can help prevent sunburn and long-term skin damage. The region's Af climate leads to intense sunlight, which poses significant risks if precautions aren't taken. By staying informed about daily UV levels, residents and visitors can enjoy the vibrant outdoor lifestyle while minimizing their exposure to harmful rays.
Throughout the day, the UV Index experiences a significant shift, peaking around midday. Starting at a modest 1 at 07:00, it swiftly climbs to 3 by 08:00. The intensity ratchets up dramatically by 09:00, reaching 7, before soaring to its maximum of 15 at 12:00. This peak is followed by a slight decline, with 14 at 13:00 and dropping to 11 by 14:00. As the sun begins to set, the UV levels decrease, falling back to 7 at 15:00, and dwindling to 1 by 17:00. Finally, as twilight approaches, the UV Index falls to 0 by 19:00, signaling the end of a high-intensity sun exposure period. Stay protected during the peak hours to enjoy the sun safely!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 7 | high | 25 min |
10:00 | 11 | extreme | 10 min |
11:00 | 14 | extreme | 10 min |
12:00 | 15 | extreme | 10 min |
13:00 | 14 | extreme | 10 min |
14:00 | 11 | extreme | 10 min |
15:00 | 7 | 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 |
The UV Index exhibits consistently high levels throughout the year, remaining in the extreme category with values ranging from 13 to 18, which indicates a significant risk of harm from unprotected sun exposure. The highest months are March and April, both with a UV Index of 18, suggesting that residents and visitors should exercise extra caution during this period. Even in the winter months, like January to March, the burn time is a mere 10 minutes, emphasizing the need for protective measures year-round. It is advisable to use broad-spectrum sunscreen, wear protective clothing, and seek shade, especially during the hours when the sun is strongest. Prioritize skin safety to enjoy the outdoors while minimizing UV exposure risks.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
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 |
San Antonio | 15 | 16 | 18 | 18 | 16 | 15 | 15 | 15 | 15 | 16 | 14 | 13 |
Bogota UVI | 15 | 16 | 18 | 18 | 17 | 15 | 15 | 16 | 15 | 15 | 14 | 13 |