Last updated: July 2, 2025
In Dulce Nombre de Jesus, Costa Rica, being aware of the UV Index is essential for protecting your skin and ensuring a healthy outdoor experience. With the region’s warm Af climate and high UV levels, understanding daily UV exposure can help prevent sunburn and long-term skin damage. Notably, UV levels peak between 11:00 AM and 1:00 PM, reaching a maximum of 13, which underscores the importance of taking precautions during these hours. By paying attention to the UV Index, you can enjoy the beautiful surroundings while safeguarding your health!
The UV Index for the day reveals a clear peak in intensity between 10:00 AM and 1:00 PM, where values soar to a striking 13. Early risers will notice a modest 2 at 7:00 AM, gradually climbing to a moderate 4 by 8:00 AM. As the sun climbs higher, 9:00 AM sees a significant jump to 8, followed by an aggressive leap to 11 at 10:00 AM. The zenith is reached at 11:00 AM and 12:00 PM, both recording a 13, prompting caution for those outdoors. After this peak, the intensity starts to wane, dropping to 12 by 1:00 PM and continuing its descent to 5 by 3:00 PM. By 4:00 PM, the index falls to 2, indicating a much safer level for outdoor activities, and by evening, a 0 signifies that UV exposure is no longer a concern from 6:00 PM onward. Make sure to plan your day wisely around these UV fluctuations!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 8 | very high | 15 min |
| 10:00 | 11 | extreme | 10 min |
| 11:00 | 13 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 2 | low | 45 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 displays seasonal variations that reflect increased sun exposure, particularly from January to May, where it consistently remains at extreme levels (11-14) with a burn time of just 10 minutes. This trend indicates that March, April, and May are the highest-risk months, urging visitors and residents to take extra precautions during these months. While June to October maintains an extreme UV Index, it slightly decreases to 13. As winter approaches, November sees a drop to 11, followed by December's very high level of 10. Therefore, it is crucial for everyone to practice sun safety measures—such as seeking shade, wearing protective clothing, and applying sunscreen—especially from January to May to mitigate the risk of harmful UV exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dulce Nombre de Jesus | 11 | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 11 | 10 |
| Limon UVI | 12 | 13 | 14 | 15 | 14 | 13 | 13 | 13 | 13 | 14 | 11 | 10 |
| Liberia UVI | 11 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 11 | 10 |
| Alajuela UVI | 12 | 13 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 14 | 12 | 10 |
| San Jose UVI | 12 | 14 | 15 | 16 | 14 | 14 | 14 | 14 | 14 | 15 | 12 | 11 |
| Paraiso UVI | 13 | 14 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 15 | 12 | 11 |