Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Koror Town, Palau, where the tropical climate intensifies the sun's rays. With UV levels reaching as high as 14 during midday hours, awareness of these numbers is essential for preventing sunburn and promoting skin health. In this beautiful island paradise, where outdoor activities abound, knowing how to protect yourself from harmful exposure is key. Stay informed and safeguard your skin while enjoying the lush surroundings and sunny skies of Koror Town!
As the sun rises, the UV Index begins its ascent, starting at a mild 1 at 07:00. By 08:00, it climbs to 3, indicating a cautious need for sun protection. The real intensity kicks in by 09:00, reaching 6, and peaks at a striking 14 at 12:00—the hour when the sun is at its zenith. With readings of 13 still prevalent from 11:00 to 13:00, it’s a vital time to stay protected! As afternoon settles in, the UV levels gradually taper off; they dip to 6 by 15:00 and descend further to 3 at 16:00. By evening, the risk diminishes significantly with a return to 1 at 17:00, rounding off the day as twilight approaches with a 0 reading by 19:00. Stay safe in the sun!
| 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 | 13 | extreme | 10 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 10 | 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 |
Throughout the year, the UV Index in this region remains notably high, consistently falling within the extreme exposure category, with burn times limited to just 10 minutes. The highest UV levels typically occur from February to April, peaking at an index of 16, making these months particularly hazardous for outdoor activities without protection. Although a slight decrease in UV intensity is observed in June and December, caution is still advised year-round due to the enduring extreme conditions. Visitors and residents are strongly recommended to take proactive measures, such as applying sunscreen, wearing protective clothing, and seeking shade to mitigate the risk of harmful skin exposure, especially during the peak months of February through April.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mengellang UVI | 13 | 14 | 16 | 17 | 15 | 13 | 14 | 15 | 15 | 14 | 13 | 12 |
| Ulimang UVI | 13 | 14 | 16 | 17 | 15 | 13 | 14 | 15 | 15 | 14 | 13 | 12 |
| Koror Town | 13 | 15 | 16 | 16 | 15 | 13 | 14 | 15 | 15 | 14 | 13 | 12 |
| Kloulklubed UVI | 13 | 15 | 16 | 16 | 15 | 13 | 14 | 15 | 15 | 14 | 13 | 12 |
| Koror UVI | 13 | 15 | 16 | 16 | 15 | 13 | 14 | 15 | 15 | 14 | 13 | 12 |