Last updated: June 2, 2025
In As Sayyani, Yemen, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn. Understanding UV levels helps residents and visitors alike protect themselves from harmful radiation, especially during peak hours when the index reaches a high, especially between 10 a.m. and 1 p.m. In this BWh climate zone, where the sun shines intensely, knowing when to seek shade or apply sunscreen can make a significant difference in safeguarding your skin against damage. With UV indices peaking at 11, it’s essential to stay informed and take precautions to enjoy the beautiful weather while prioritizing your health.
The UV Index on this particular day featured a notable rise as the morning progressed, starting at a gentle 1 at 7:00 AM, perfect for enjoying the outdoors without much concern. By 8:00 AM, it climbed to a 3, indicating a moderate level of exposure. The peak UV Index arrived between 11:00 AM and 12:00 PM, reaching a striking 11, a level that demanded protective measures to avoid harm from the sun's rays. After this peak, the index gradually declined, falling to 10 by 1:00 PM, then retreating further to 7 by 2:00 PM, before tapering off to 5 at 3:00 PM. As the sun began to set, the intensity waned dramatically, dropping back to a 1 by 5:00 PM and eventually hitting 0 after 7:00 PM. Overall, this day showcased the typical sun cycle, emphasizing the importance of sun safety during midday hours.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 5 | 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 |
The UV Index data shows a clear seasonal trend with high-risk months primarily from March to June, where the index peaks at 15 in April, indicating an extreme exposure category. Visitors and residents should be particularly cautious during these months, as burn time is just 10 minutes. Interestingly, while July and August still maintain high UV levels (12), the index decreases slightly in June. The risk remains significant through September and October, when the index stays at 12. As we transition into the winter months, November and December record a very high UV Index of 10 with a slightly longer burn time of 15 minutes. It is crucial for everyone to wear sunscreen, protective clothing, and seek shade during high UV times, especially in the summer months, to ensure their safety and health.
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 |
| 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 |
| As Sayyani | 11 | 12 | 14 | 15 | 14 | 11 | 12 | 12 | 12 | 12 | 10 | 10 |
| Sanaa UVI | 12 | 13 | 15 | 16 | 15 | 14 | 13 | 13 | 14 | 13 | 11 | 10 |