Last updated: July 2, 2025
In Kotabaru Hilir, Indonesia, awareness of the UV Index is crucial for safeguarding your skin and overall health. Understanding the varying levels of UV radiation throughout the day helps in preventing sunburn and long-term skin damage. With a tropical climate characterized by high humidity and significant sun exposure, it's essential for residents and visitors alike to pay attention to UV levels. During peak hours, particularly between 10 AM and 2 PM, the UV index can soar to 12, indicating extreme levels of radiation. Staying informed can make all the difference in enjoying the sun safely while prioritizing your skin's health.
The UV Index throughout the day exhibits a striking pattern of intensity and decline. Starting the morning at a mere 1 at 7:00 AM, the sun's rays gradually gain strength, reaching a moderate 4 by 9:00 AM. The peak intensity hits an impressive 12 at noon, making 12:00 PM the prime time for sun exposure, which is crucial for vitamin D. As the afternoon progresses, the index begins to taper off, with 11 at 1:00 PM and gradually decreasing to 6 by 3:00 PM. The evening brings a soothing end, with a return to 1 by 5:00 PM and finally dropping to 0 by 7:00 PM. This data underscores the importance of sun safety, particularly during the midday hours when the UV exposure is at its highest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index remains notably high, with values consistently in the extreme exposure category, particularly between January and October. The highest UV readings occur in February and March at 16, while April and May follow closely with indices of 15 and 14, respectively. As summer approaches, the index dips slightly in June and July to 12, before rising again in August to 14 and peaking in September at 15. The months of February, March, September, and October are critical high-risk periods for UV exposure. Visitors and residents are strongly advised to take precautionary measures during these months, including wearing sunscreen, protective clothing, and seeking shade, as the potential for skin damage from sun exposure is significant, with a burn time of just 10 minutes across all months.
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 |
| Kotabaru Hilir | 15 | 16 | 16 | 15 | 14 | 12 | 12 | 14 | 15 | 16 | 14 | 14 |