Last updated: May 3, 2025
In San Sebastian, Colombia, understanding the UV Index is crucial for protecting your skin and overall health. High UV levels can lead to sunburn and long-term skin damage, making it essential to stay informed about sun exposure, especially during peak hours. The climate here, categorized as Cfb, offers a delightful mix of warmth and humidity, but it also means that residents and visitors face heightened UV risks, particularly between 10 AM and 2 PM when the UV Index can soar to a staggering 16. By being aware of these levels, you can enjoy the beautiful outdoors while safeguarding your skin against harmful radiation.
The UV Index over the course of the day shows a dramatic rise and fall, peaking sharply in the early afternoon hours. Starting at a mere 1 at 07:00, it climbs steadily, reaching a moderate 3 by 08:00. As the sun ascends, the index skyrockets, hitting a staggering 16 by 12:00, marking the sun’s relentless intensity. The highest point occurs at 11:00, with a blistering 15, before descending to 11 at 14:00 as the afternoon progresses. By 15:00, there's a noticeable decline to 7, and the evening brings a soothing drop, with the index falling back to 1 by 17:00 and finally resting at 0 after 19:00. This data underscores the importance of sun safety during peak hours, especially between 10:00 and 14:00.
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 | 15 | extreme | 10 min |
12:00 | 16 | extreme | 10 min |
13:00 | 15 | 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 |
Throughout the year, the UV Index fluctuates, generally remaining in the extreme exposure category, with notably high levels from January to May and continuing into early October. The highest UV indices occur in March and April, reaching 18, which signifies an urgent need for protective measures. Residents and visitors should particularly be cautious from January through May and again in October, where even brief exposure can lead to sunburn within just 10 minutes. It is crucial for everyone to adopt preventive strategies during these high-risk months, such as using sunscreen, wearing protective clothing, and seeking shade, especially during peak sunlight hours.
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 |
Bogota UVI | 15 | 16 | 18 | 18 | 17 | 15 | 15 | 16 | 15 | 15 | 14 | 13 |
San Sebastian | 16 | 17 | 18 | 18 | 16 | 14 | 15 | 15 | 15 | 16 | 15 | 13 |