Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Girang, Indonesia, where the tropical climate brings about significant sun exposure throughout the year. With UV levels peaking at a striking 10 between 11:00 AM and 12:00 PM, it's essential to be aware of the risks associated with sunburn and long-term skin damage. Monitoring the UV Index helps you take proactive measures to protect your skin’s health, allowing you to enjoy the vibrant outdoors without the worry of harmful effects. As Girang's climate offers plenty of sunny days, being informed about UV exposure can make all the difference in safeguarding your well-being.
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 experiences notable fluctuations throughout the year, with the highest values recorded from January to April and during July to October, classified as extreme. February and March hold the peak UV Index at 16, indicating a burn time of just 10 minutes. The months of May and June transition to a slightly lower UV Index, categorized as very high, with a burn time extending to 15 minutes in June before returning to the extreme category from July onward. Thus, high-risk months for UV exposure are February, March, and the period from July to October. Given the severe potential for sunburn during these times, it is essential for both visitors and residents to follow sun safety practices, including wearing sunscreen, protective clothing, and seeking shade to mitigate risks, particularly during peak sun hours.
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 |
| Girang | 14 | 16 | 16 | 14 | 12 | 10 | 11 | 12 | 14 | 15 | 14 | 14 |
| Bandung UVI | 15 | 16 | 16 | 15 | 12 | 11 | 11 | 12 | 14 | 15 | 15 | 14 |