Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Tonjongsari, Indonesia, where the tropical climate poses unique sun exposure risks. With peak UV levels reaching a dangerous 10 around midday, awareness of UV intensity can significantly aid in preventing sunburn and maintaining skin health. By monitoring these UV levels, locals and visitors alike can take proactive measures to protect themselves during the hottest parts of the day, ensuring enjoyable outdoor activities without the harmful effects of excessive sun exposure.
The UV Index shows a dynamic pattern throughout the day, peaking sharply around midday. Starting from a gentle 1 at 07:00, the UV exposure begins to rise, hitting 3 by 08:00. The real intensity kicks in at 09:00, where it reaches 6, and then surges to a striking 8 by 10:00. The index escalates further, reaching its pinnacle at 10 from 11:00 to 12:00. As the afternoon progresses, there's a gradual decline, dropping to 9 at 13:00 and tapering off to 6 by 14:00. By 15:00, the UV Index falls to 3, and it continues its descent, dropping back down to 1 by 16:00 and beyond. As the day winds down, the levels decrease significantly, reaching 0 after 18:00, indicating a safe period for outdoor activities without considerable sun exposure. 🌞
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 | 10 | very high | 15 min |
13:00 | 9 | very high | 15 min |
14:00 | 6 | high | 25 min |
15:00 | 3 | moderate | 30 min |
16:00 | 1 | low | 45 min |
17:00 | 1 | low | 45 min |
18:00 | 0 | low | 45 min |
19:00 | 0 | low | 45 min |
The UV Index data reveals that extreme UV exposure occurs from January through March, with values peaking at 16 in March and consistently high throughout the year, particularly in July and September. May sees a slight reduction to an index of 13, transitioning to very high levels in June with an index of 10. The high-risk months for UV exposure are typically from January to October, where the burn time remains notably low at 10 minutes for most months. Residents and visitors should exercise caution during these months, using effective sun protection measures such as sunscreen, protective clothing, and seeking shade, particularly during peak sunlight hours, to minimize the risk of 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 |
Tonjongsari | 15 | 15 | 16 | 14 | 13 | 10 | 11 | 13 | 14 | 15 | 15 | 14 |