Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Rutu, Indonesia, where the tropical climate brings high sun exposure year-round. Being aware of UV levels can make a significant difference in preventing sunburn and protecting skin health, especially during peak hours when the UV Index soars to 12—a level that poses a serious risk of harm within minutes. With midday sun intensity peaking at an average UV Index of 11 between 11:00 AM and 1:00 PM, it’s essential for locals and visitors alike to take necessary precautions to shield themselves from the damaging effects of ultraviolet radiation. Stay informed and safeguard your skin in the scenic beauty of Rutu!
The UV Index throughout the day reveals a dynamic range of solar intensity, peaking at 12 around noon. Starting the day gently, the index registers a low 1 at 7:00 AM, gradually rising to 2 by 8:00 AM. As the sun climbs higher, it reaches 5 by 9:00 AM, then surges to a robust 11 by 11:00 AM, signaling higher caution for outdoor activities. The peak at midday is a daunting 12, urging everyone to seek shade and wear protective gear. The intensity begins to taper off in the afternoon, dropping back to 8 at 2:00 PM and further to 5 by 3:00 PM. By the late afternoon, the index drops significantly to 1 at 5:00 PM and settles at 0 by 6:00 PM, giving a gentle reminder that the sun's might can vary dramatically throughout the day.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 5 | moderate | 30 min |
10:00 | 8 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 12 | 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 |
Throughout the year, UV Index values exhibit seasonal changes, with particularly high-risk months from January to April, where the UV Index consistently reaches extreme levels of 15-16 and a rapid burn time of just 10 minutes. Although the UV index decreases slightly in June to a very high 10 (burn time of 15 minutes), it spikes again in July and August, maintaining the extreme category. Notably, September and October revert to extreme levels of 15, emphasizing the importance of sun safety measures. Residents and visitors should be vigilant during these months, wearing protective clothing, using broad-spectrum sunscreen, and seeking shade to prevent harmful UV exposure.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Surabaya UVI | 13 | 15 | 14 | 12 | 12 | 10 | 11 | 12 | 14 | 13 | 13 | 13 |
Bekasi UVI | 14 | 16 | 16 | 14 | 11 | 10 | 10 | 11 | 13 | 15 | 14 | 13 |
Jakarta UVI | 14 | 16 | 16 | 14 | 11 | 10 | 10 | 11 | 13 | 15 | 14 | 13 |
Medan UVI | 13 | 15 | 15 | 15 | 14 | 12 | 12 | 13 | 14 | 14 | 13 | 12 |
Bandung UVI | 15 | 16 | 16 | 15 | 12 | 11 | 11 | 12 | 14 | 15 | 15 | 14 |
Rutu | 15 | 16 | 16 | 15 | 12 | 10 | 12 | 13 | 15 | 15 | 15 | 14 |