Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Semarapura, Indonesia, where the tropical climate brings consistent exposure to sunlight. Monitoring UV levels not only helps in preventing painful sunburns, but is essential for long-term skin health and reducing the risk of skin cancer. With peak UV readings reaching a staggering 12 around noon, it’s vital to take protective measures during the day's most intense sun exposure. Given the region's Aw climate, characterized by warm temperatures and significant sunlight, staying informed about the UV Index can empower you to enjoy the outdoors safely while safeguarding your skin.
As the sun rises, the UV Index (UVI) gradually increases, starting at a mild 1 at 07:00. By 08:00, it climbs to 2, indicating it's time to start thinking about sun protection. The intensity peaks dramatically at 12:00, reaching a striking 12, which signifies a high risk of harm from unprotected sun exposure. This peak continues slightly into the early afternoon, with 11 at 13:00 and 9 at 14:00. However, the UVI quickly decreases, dipping to 5 by 15:00 and dropping further to 1 by 17:00. Finally, by the evening hours, it descends to 0 by 18:00, signaling a safe time to enjoy outdoor activities without the worry of harmful UV radiation. Stay sun-smart!
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 | 9 | very high | 15 min |
15:00 | 5 | moderate | 30 min |
16:00 | 3 | moderate | 30 min |
17:00 | 1 | low | 45 min |
18:00 | 0 | low | 45 min |
19:00 | 0 | low | 45 min |
The UV Index exhibits significant seasonal changes, with the highest levels occurring from January to April, where it reaches an extreme rating of 15-16 and a rapid burn time of just 10 minutes. July and August also present high-risk conditions with indices of 11 and 13 respectively. Recognizing these trends, January through April and July through September are particularly high-risk months for UV exposure. Residents and visitors should take extra precautions during these periods, such as seeking shade, wearing protective clothing, and applying sunscreen frequently, to minimize the risk of skin damage.
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 |
Semarapura | 15 | 16 | 15 | 15 | 13 | 10 | 11 | 13 | 15 | 15 | 14 | 14 |