Last updated: July 2, 2025
In Pematang Raya, Indonesia, awareness of the UV Index is crucial for promoting sun safety and protecting skin health. Understanding UV levels can significantly help in preventing sunburn and long-term skin damage, especially when the sun is at its strongest. With a tropical Af climate, residents and visitors alike face heightened risks of exposure during midday hours when the UV Index peaks at a staggering 13. By staying informed about daily UV fluctuations, you can enjoy the vibrant outdoor lifestyle while safeguarding your skin against harmful rays.
The UV Index today offers a clear picture of sun intensity throughout the day. Starting off at a mild 1 at 7:00 AM, the index gradually climbs, reaching a moderate 2 by 8:00 AM. As the sun rises higher, it peaks at a striking 13 between 12:00 PM and 1:00 PM, indicating a high risk for sun exposure. After this zenith, the UV Index begins to taper off, dropping to 10 at 2:00 PM, then gradually decreasing to 4 by 4:00 PM. As the day winds down, it returns to a low level of 1 by 6:00 PM, before finally settling at 0 by 7:00 PM. It's essential to protect your skin during the peak hours, especially between 11:00 AM and 1:00 PM, when 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 | 11 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index exhibits high levels of intensity throughout the year, particularly from January to March, when it peaks at 16, indicating an extreme exposure category. April through August maintains similarly elevated values, with slight fluctuations, and the burn time remains consistently low at just 10 minutes. As we transition into the fall months, the UV Index remains high, particularly in September and October, both at 15, before gradually decreasing to 14 in November and 12 in December. **Visitors and residents are advised to take precautions—including seeking shade, wearing protective clothing, and applying sunscreen—especially during these high-risk months from January to September when the UV Index is particularly severe. Regular checks on UV levels can further ensure safety while enjoying outdoor activities.
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 |
| Pematang Raya | 13 | 15 | 16 | 15 | 15 | 12 | 13 | 14 | 15 | 15 | 14 | 12 |