Last updated: June 2, 2025
Understanding the UV Index is crucial for the residents of Petit Trou de Nippes, Haiti, where sun exposure can rapidly increase during the day. With a tropical climate characterized by high UV levels, particularly around midday when the index peaks at a striking 13, being aware of these levels is essential for sunburn prevention and maintaining overall skin health. As you navigate the vibrant outdoor lifestyle of this region, recognizing the potential for skin damage from UV rays can empower you to take necessary precautions, ensuring that your time in the sun remains enjoyable and safe.
The UV Index today showcases a dramatic rise in sun exposure as the day progresses. Starting at 7:00 AM with a mild value of 1, the index climbs steadily to reach 4 by 9:00 AM. However, it's around 11:00 AM that the UV radiation peaks at 10, escalating further to a maximum of 12 at noon. The sun’s intensity continues to be fierce, reaching a high of 13 by 1:00 PM before gradually tapering off. From 2:00 PM, the index starts its descent, hovering at 12 and then dropping to 9 by 3:00 PM. As the afternoon transitions into evening, the UV levels diminish significantly, resting at 1 by 7:00 PM. For anyone spending time outdoors, taking precautions during the peak hours is crucial to ensure safety from harmful UV rays.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure varies significantly, with the highest risk months occurring from February to September, where the UV Index consistently reaches extreme levels of 11 to 14, demanding vigilance. During this time, the burn time is notably short, around 10 minutes, highlighting the urgency for protective measures. January, November, and December present lower but still high UV levels, classified as very high with burn times of 15 minutes, still warranting caution. Residents and visitors should prioritize sun safety by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade, especially during the peak UV hours between 10 a.m. and 4 p.m. to minimize health risks.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Port-de-Paix UVI | 9 | 11 | 12 | 13 | 13 | 12 | 13 | 13 | 12 | 11 | 9 | 8 |
| Croix-des-Bouquets UVI | 8 | 10 | 12 | 13 | 13 | 13 | 12 | 13 | 12 | 11 | 9 | 8 |
| Petionville UVI | 8 | 10 | 12 | 13 | 13 | 13 | 12 | 13 | 12 | 11 | 9 | 8 |
| Delmas 73 UVI | 8 | 10 | 12 | 13 | 13 | 13 | 12 | 13 | 12 | 11 | 9 | 8 |
| Port-au-Prince UVI | 8 | 10 | 12 | 13 | 13 | 13 | 12 | 13 | 12 | 11 | 9 | 8 |
| Petit Trou de Nippes | 9 | 11 | 13 | 14 | 13 | 13 | 13 | 13 | 12 | 11 | 9 | 8 |