Last updated: June 2, 2025
In Valle de San Jose, Colombia, understanding the UV Index is crucial for maintaining skin health and preventing sunburn. With a climate characterized by consistent sunlight, the UV levels can reach their peak, especially between late morning and early afternoon. For instance, during the midday hours, the UV Index can soar to as high as 14, emphasizing the need for vigilance. By being aware of these UV levels, residents and visitors can take proactive measures to protect themselves from harmful solar radiation and enjoy the stunning outdoors safely. Remember, understanding your exposure is key to enjoying the beautiful sunny days of Valle de San Jose without compromising your health!
As the sun rises, the UV Index begins its ascent, starting gently at 2 by 7:00 AM. However, by 10:00 AM, it escalates to a striking 11, peaking at a robust 14 between 12:00 PM and 1:00 PM. This period marks the height of UV exposure, urging caution for those outdoors. As the afternoon progresses, the intensity dips, descending to 9 at 2:00 PM, before tapering off to a gentle 1 by 5:00 PM and finally settling to 0 after 6:00 PM. For sun seekers and outdoor enthusiasts, the midday sun demands respect, while the late afternoon offers a reprieve from the rays.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 11 | extreme | 10 min |
| 11:00 | 13 | extreme | 10 min |
| 12:00 | 14 | 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 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index remains consistently high, peaking between January and April when it reaches extreme levels of 14 to 17. These months, particularly March and April with a UV index of 16 and 17, represent the highest risk for harmful sun exposure, with a burn time of just 10 minutes. As a result, residents and visitors are strongly advised to take necessary precautions, such as wearing sunscreen, hats, and protective clothing during these months. Although the UV index remains elevated through the summer and into the fall, the June to October period does not exceed a UV index of 14. Thus, maintaining vigilance and protection against UV rays is essential year-round due to consistently extreme exposure levels.
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 |
| Valle de San Jose | 14 | 15 | 16 | 17 | 15 | 14 | 14 | 14 | 14 | 14 | 12 | 12 |
| 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 |