Last updated: June 2, 2025
In Mustaba', Yemen, awareness of the UV Index is crucial for ensuring both short-term sunburn prevention and long-term skin health. Given the area's BWh climate, which is characterized by high temperatures and intense sun exposure, understanding UV levels can help residents and visitors protect their skin from harmful rays. During midday hours, the UV Index can reach a striking 10, indicating extreme risk for harm from unprotected sun exposure. Staying informed about these levels can be a simple yet effective way to enjoy the sun safely while minimizing the risks associated with overexposure.
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, the UV Index exhibits notable seasonal changes, peaking during the spring months of March, April, and May, where it reaches an extreme level of 12, resulting in a rapid burn time of only 10 minutes. The high-risk months for UV exposure are thus concentrated from March to May. Following this peak, the index decreases slightly but remains at a very high category, particularly from June to September, where the burn time is 15 minutes. As the year progresses into October through December, the UV Index lowers further but remains categorized as very high. Visitors and residents are strongly advised to take necessary precautions during these periods, such as wearing protective clothing, using broad-spectrum sunscreen, and seeking shade during peak daylight hours to mitigate the risk of UV-related skin damage.
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 |
| Mustaba' | 9 | 10 | 12 | 12 | 12 | 10 | 10 | 10 | 10 | 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 |
| Sanaa UVI | 12 | 13 | 15 | 16 | 15 | 14 | 13 | 13 | 14 | 13 | 11 | 10 |