Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Riqab, Yemen, where the climate falls within the BWh zone, characterized by hot, dry weather. As UV radiation levels can reach a maximum of 11 during midday, knowing your UV exposure risk is essential for sunburn prevention and maintaining long-term skin health. With peak UV levels occurring between 10 AM and 2 PM, awareness of these fluctuations can empower individuals to protect themselves effectively and enjoy outdoor activities safely in this sun-soaked region.
At dawn, the UV Index starts off low at 1 by 7:00 AM, but as the day unfolds, it quickly rises. By 10:00 AM, it hits 8, reaching peak intensity at noon with an index of 11. As the afternoon progresses, the UV levels begin to drop, stabilizing at 10 shortly after noon before gently declining to 5 by 3:00 PM. The sun’s influence wanes further as evening approaches, tapering down to 1 by 5:00 PM and finally dissipating to 0 by 7:00 PM. This fluctuation highlights the importance of sun protection during peak hours, especially between 10 AM and 2 PM when UV exposure is at its highest.
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 | 11 | extreme | 10 min |
13:00 | 10 | very high | 15 min |
14:00 | 8 | 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 |
Seasonal UV changes reveal heightened risk from January to October, with extreme UV Index levels (11-14) predominating from February to September, signaling a short burn time of just 10 minutes. The highest UV Index occurs in April at 14, indicating a critical peak for sun exposure. January, November, and December are slightly less intense, with very high levels of UV radiation and a burn time of 15 minutes. Visitors and residents should take precautions during these high-risk months, particularly between February and September, by wearing protective clothing, using broad-spectrum sunscreen, and seeking shade during peak sun hours to minimize the risk of 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 |
Riqab | 10 | 12 | 13 | 14 | 12 | 11 | 11 | 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 |