Last updated: June 2, 2025
In Haydan, Yemen, being aware of the UV Index is crucial for promoting skin health and preventing sunburn. Understanding UV levels helps residents and visitors alike to make informed choices about sun protection throughout the day. With a BWh climate, Haydan experiences significant UV exposure, peaking at an intense level of 13 between 11:00 and 12:00. This makes it essential to take precautionary measures during midday hours to shield yourself from harmful rays. By staying informed about the UV Index, you can enjoy the beautiful outdoor activities Haydan has to offer while safeguarding your skin.
The UV Index throughout the day follows a striking pattern, peaking sharply at 11:00 AM and 12:00 PM with a maximum value of 13. As the day begins, the UV levels are quite low, starting at 1 at 7:00 AM, gradually climbing to a moderate 4 by 8:00 AM. As 9:00 AM rolls around, the intensity escalates to 7, and by 10:00 AM, it reaches a strong 10. The intensity of UV radiation continues to soar, urging caution as it peaks at the midday hours. Following the zenith, the UV index gently descends, dropping to 9 at 2:00 PM and tapering downwards to 6 by 3:00 PM, before winding down to a mere 1 by 5:00 PM and 0 by 7:00 PM. This highlights the importance of sun protection during the peak hours, particularly between 11:00 AM and 2:00 PM.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 4 | moderate | 30 min |
09:00 | 7 | high | 25 min |
10:00 | 10 | very high | 15 min |
11:00 | 13 | extreme | 10 min |
12:00 | 13 | extreme | 10 min |
13:00 | 12 | extreme | 10 min |
14:00 | 9 | very high | 15 min |
15:00 | 6 | high | 25 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 |
The UV Index demonstrates significant seasonal changes, with persistently high levels from January to November, peaking in March, April, and May at an extreme index of 14. The high-risk months for UV exposure include February, March, April, and May, where the burn time is as short as 10 minutes. Even in June and July, the UV Index remains dangerously high. Visitors and residents should take precautions during these months by seeking shade, wearing protective clothing, and applying sunscreen frequently. As the year progresses into December, the UV Index drops to 9, classified as very high, where the burn time increases slightly to 15 minutes, still necessitating vigilant sun protection.
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 |
Haydan | 11 | 12 | 14 | 14 | 14 | 13 | 12 | 12 | 13 | 12 | 11 | 9 |
Sanaa UVI | 12 | 13 | 15 | 16 | 15 | 14 | 13 | 13 | 14 | 13 | 11 | 10 |