Last updated: July 2, 2025
Understanding the UV Index is essential for residents and visitors of San Francisco Libre, Nicaragua, where the tropical climate can expose you to significant UV radiation, especially during the midday hours. With peak UV levels reaching as high as 13 around noon, awareness of these readings is vital for preventing sunburn and maintaining overall skin health. The combination of intense sun exposure and the region's warm temperatures makes it crucial to stay informed about UV levels to ensure safe outdoor activities. By recognizing the risks associated with UV exposure, you can take proactive steps to protect yourself and enjoy the beauty of San Francisco Libre safely.
As the sun rises, the UV Index starts at a mild 2 at 7:00 AM, making it a gentle beginning to the day. By 8:00 AM, it climbs to 4, hinting at the need for a bit of sun protection. The intensity reaches its peak between 10:00 AM and 12:00 PM, soaring to a high of 13. This powerful midday sun calls for extra caution as the UV index hovers at this level for two consecutive hours before gradually tapering off. By 3:00 PM, the UV Index drops to 5 and continues to decline, hitting 1 by 5:00 PM. As evening approaches, the UV levels ease to 0 by 7:00 PM, wrapping up the day with a low-risk, sun-safe atmosphere. Enjoy the bright moments, but don’t forget your sunscreen during those peak hours!
| 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 | 13 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 5 | moderate | 30 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 shows extreme levels of solar radiation from January through June, with values peaking at 14 between March and May, indicating a burn time of only 10 minutes for unprotected skin. The summer months—July through September—maintain a high UV Index of 13, sustaining the risk of skin damage within the same short exposure time. October also remains at 13, signifying the ongoing need for protection. By November and December, the index drops slightly to 10, categorized as very high, but the burn time increases to 15 minutes. Visitors and residents should take necessary precautions, such as wearing sunscreen, protective clothing, and seeking shade, especially during these high-risk months from January to October.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chinandega UVI | 11 | 12 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 10 | 9 |
| Leon UVI | 11 | 12 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 10 | 10 |
| San Francisco Libre | 11 | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 10 | 10 |
| Managua UVI | 11 | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 10 | 10 |
| Masaya UVI | 11 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 10 | 10 |
| Matagalpa UVI | 11 | 13 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 11 | 10 |