Last updated: July 2, 2025
In Rancaerang, Indonesia, being aware of the UV Index is essential for safeguarding your skin against harmful UV radiation. Understanding the level of UV exposure can significantly aid in preventing sunburn and maintaining long-term skin health, especially given the region's tropical Af climate. With UV Index levels peaking at 11 during midday, residents and visitors alike are at risk of overexposure if proper precautions aren't taken. Stay informed and protect your skin during those crucial hours to enjoy the vibrant sunny days Rancaerang has to offer!
The UV Index today peaked dramatically in the late morning, starting from a low of 1 at 07:00 and climbing to an impressive 11 by 12:00. This intense exposure reached its zenith at 11:00, where precautions were essential as the Index hit 10. As the afternoon progressed, the UV levels began to gradually decline, dropping to 4 by 15:00 and further down to a modest 2 by 16:00. By the evening, the sun had softened, bringing the UV Index back to 1 at 17:00, and ultimately fading to 0 by 18:00, when the day's light had nearly vanished. Make sure to stay protected during peak hours to enjoy the sunshine safely!
| 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 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 4 | 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 |
The UV Index experiences notable seasonal changes, remaining consistently high throughout the year. January to April sees a UV Index ranging from 15 to 16, classified as extreme, indicating a burn time of just 10 minutes. As we move into May and June, the index slightly decreases to 13 and 11, respectively, but still falls within the extreme category. July and August maintain this moderate level, before increasing again to 15 in September and October. Notably, November also returns to a UV Index of 15, tapering off slightly in December with an index of 14. The high-risk months for UV exposure are from January to October, where the potential for sunburn is critically high. Visitors and residents are advised to take precautionary measures, such as wearing protective clothing, applying broad-spectrum sunscreen, and minimizing sun exposure during peak hours to protect against harmful UV radiation.
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 |
| Rancaerang | 15 | 16 | 16 | 15 | 13 | 11 | 11 | 13 | 15 | 15 | 15 | 14 |