Last updated: June 2, 2025
Understanding the UV Index is essential for the residents of Yei, South Sudan, as it provides vital information about sun exposure and its potential risks. With Yei's tropical climate, the UV levels can soar, peaking at an alarming UV Index of 13 during midday hours. This highlights the critical need for awareness about sun protection to prevent sunburn and long-term skin health issues. By keeping track of the UV Index, locals can take necessary precautions, ensuring safe outdoor activities while safeguarding their skin against the harmful effects of excessive UV exposure.
The UV Index data reveals a dramatic rise in intensity as the day progresses. Starting off at a low 1 at 07:00, the index steadily climbs, reaching a peak of 13 at 12:00. This indicates a high risk of harm from unprotected sun exposure during midday. As the afternoon unfolds, the index begins to taper off, dropping to 5 by 15:00, and falling further to 1 by 17:00. By evening, the UV Index diminishes to 0, signaling a safe period for outdoor activities without the worry of harmful UV rays. Stay protected during those peak hours, especially between 11:00 and 13:00!
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 | 10 | very high | 15 min |
11:00 | 12 | extreme | 10 min |
12:00 | 13 | extreme | 10 min |
13:00 | 11 | extreme | 10 min |
14:00 | 8 | very high | 15 min |
15:00 | 5 | moderate | 30 min |
16:00 | 2 | low | 45 min |
17:00 | 1 | low | 45 min |
18:00 | 0 | low | 45 min |
19:00 | 0 | low | 45 min |
The seasonal UV changes indicate that from January to May, the UV Index consistently peaks between 13 and 15, categorizing exposure as extreme with a burn time of just 10 minutes. This high-risk period continues into June and July but sees a slight decline in the UV index, settling at 12 and 13, respectively. August and September maintain similar levels, reinforcing the need for caution. The risk gradually decreases as we move into October and November, where the UV Index lowers to 12 and 12, and finally to 11 in December. Given these figures, it is highly recommended for visitors and residents to take protective measures, especially during the months of January through May, when the chances of sunburn are at their highest. Always apply broad-spectrum sunscreen, wear protective clothing, and seek shade during peak sun hours to minimize UV exposure and ensure safety throughout the year.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Malakal UVI | 11 | 12 | 13 | 14 | 13 | 12 | 13 | 14 | 13 | 12 | 10 | 10 |
Winejok UVI | 11 | 12 | 13 | 14 | 13 | 12 | 13 | 14 | 13 | 12 | 10 | 10 |
Wau UVI | 11 | 13 | 13 | 14 | 14 | 12 | 13 | 14 | 14 | 12 | 10 | 10 |
Juba UVI | 12 | 14 | 15 | 15 | 14 | 12 | 11 | 13 | 13 | 12 | 11 | 10 |
Yei | 13 | 14 | 15 | 15 | 14 | 13 | 12 | 13 | 13 | 12 | 12 | 11 |