Last updated: June 2, 2025
Understanding the UV Index in Umm Ruwaba, Sudan is crucial for safeguarding your skin health, especially given the region's climate characterized by its hot semi-arid conditions. The sun can unleash high levels of UV radiation, peaking at 11 around noon, which poses significant risks for sunburn and long-term skin damage. Being aware of the UV levels throughout the day empowers residents and visitors to take necessary precautions, such as seeking shade, wearing protective clothing, and applying sunscreen, thus ensuring a healthier outdoor experience while enjoying the sun.
As the sun rises, the UV Index begins its ascent, starting at a gentle 1 at 07:00. By 08:00, it picks up to 3, signaling the early risers to apply some sunscreen. The intensity peaks dramatically at 12:00 with a notable 11, indicating extreme UV exposure—perfect for fun in the sun, but beware of potential skin damage! The afternoon warmth starts to wane, as the index gradually descends to 4 by 15:00, and further dips to 1 by 17:00. As evening approaches, the UV threat diminishes, reaching a low of 0 by 19:00. It’s a vivid reminder: while sunlight invites outdoor adventures, afternoon hours call for protective caution!
| 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 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 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 significant fluctuations, with the highest risk months occurring from February to September. During this period, the UV Index reaches an extreme level, peaking at 14 in March and August, where a mere 10 minutes of unprotected exposure can result in severe skin burns. Visitors and residents are strongly advised to take precautions by wearing protective clothing, applying a high-SPF sunscreen, and avoiding direct sunlight, particularly between late morning and early afternoon when the index is highest. As we transition into October to December, the UV Index decreases to 10 or lower, signaling a reduction in risk, but caution should still be maintained during November and December, with burn times still at 15 minutes in very high categories. Overall, staying vigilant and proactive about sun safety is crucial year-round but especially during the high-risk months.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Port Sudan UVI | 8 | 10 | 12 | 12 | 13 | 10 | 11 | 10 | 11 | 10 | 8 | 7 |
| Omdurman UVI | 9 | 11 | 13 | 13 | 13 | 10 | 11 | 11 | 11 | 11 | 9 | 8 |
| Khartoum UVI | 9 | 11 | 13 | 13 | 13 | 10 | 11 | 11 | 11 | 11 | 9 | 8 |
| Kassala UVI | 10 | 12 | 14 | 13 | 14 | 11 | 11 | 12 | 11 | 11 | 10 | 9 |
| Umm Ruwaba | 10 | 12 | 14 | 13 | 13 | 11 | 13 | 14 | 12 | 12 | 10 | 9 |
| Nyala UVI | 11 | 12 | 14 | 13 | 12 | 12 | 14 | 14 | 13 | 12 | 10 | 10 |