Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Dar an Nasir, Yemen, where the sun can be relentless. With peak UV levels reaching as high as 10 during the midday hours, awareness of these levels is essential for preventing sunburn and maintaining optimal skin health. The BWh climate of Dar an Nasir presents unique exposure risks, as intense sunlight can lead to increased skin damage, even on cloudy days. By monitoring the UV Index, you can make informed decisions to protect yourself and enjoy the beautiful days while minimizing harmful effects.
As the sun rises, the UV Index begins its ascent, peaking at a robust 10 between 11:00 and 12:00. This is the point when sun safety is crucial, as the intensity of ultraviolet radiation can cause harm to unprotected skin in just minutes. The morning starts with a low reading of 1 at 07:00, and steadily climbs to 3 by 08:00, before reaching a moderate 5 at 09:00. By 10:00, the index surges to 8, signaling that it's time to seek shade or apply sunscreen. In the afternoon, it gradually declines from 9 at 13:00 to 4 at 15:00, and continues to drop to a mere 1 by the evening, making those twilight hours notably safer for outdoor activities. As the day wraps up around 19:00, a calm 0 confirms that the UV threat has vanished, leaving the sky clear for stargazing. Stay informed and protect your skin during peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV Index levels display significant seasonal variations, highlighting certain months as high-risk periods for sun exposure. From January to May, the UV Index peaks, with February through April classified as having an extreme UV Index (ranging from 12 to 14) and a burn time of just 10 minutes. June marks a slight decline, returning to a very high category (UV 10) with a longer burn time of 15 minutes, before steadily transitioning to the extreme range again in July through September, and concluding the warm months in October. November and December see another drop to very high levels with a 15-minute burn time. Visitors and residents are advised to take appropriate precautions during high-risk months (February through September), including wearing sun-protective clothing, applying sunscreen regularly, and seeking shade to minimize harmful UV exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Al Hudaydah UVI | 9 | 10 | 11 | 13 | 12 | 10 | 9 | 9 | 9 | 9 | 8 | 8 |
| Aden UVI | 10 | 11 | 13 | 14 | 13 | 10 | 11 | 12 | 10 | 10 | 9 | 9 |
| Dar an Nasir | 10 | 12 | 13 | 14 | 13 | 10 | 12 | 12 | 11 | 11 | 10 | 9 |
| Taiz UVI | 10 | 12 | 13 | 14 | 13 | 10 | 12 | 12 | 11 | 11 | 10 | 9 |
| Mukalla UVI | 11 | 12 | 13 | 14 | 14 | 12 | 12 | 12 | 12 | 11 | 10 | 9 |
| Sanaa UVI | 12 | 13 | 15 | 16 | 15 | 14 | 13 | 13 | 14 | 13 | 11 | 10 |