Last updated: July 2, 2025
In Sipirok, Indonesia, understanding the UV Index is crucial for protecting your health and enjoying the sun safely. The UV levels can fluctuate significantly throughout the day, peaking at 11 to 13 during midday, which indicates a high risk of harm from unprotected sun exposure. This awareness is essential not only for preventing painful sunburns but also for safeguarding long-term skin health. Given Sipirok’s tropical Af climate, residents and visitors alike should remain vigilant as they navigate the challenges of outdoor activities amidst potential UV hazards. Keep an eye on the UV Index, and make informed choices to enjoy the vibrant beauty of this region while maintaining healthy skin!
The UV index today paints a vivid picture of sun intensity throughout the hours. Starting at 7:00 AM, the index is a mere 1, a whisper of sunlight. By 9:00 AM, it begins to rise, hitting 4, and by 10:00 AM, it skyrockets to 8, indicating stronger exposure. The peak occurs at 12:00 PM, reaching a blistering 13, where sun safety becomes crucial. This high intensity persists until 1:00 PM, before tapering off to 10 by 2:00 PM, and then gradually diminishing throughout the afternoon and evening, concluding with a low of 0 by 7:00 PM. Stay vigilant under the midday sun, as the rays pack a punch!
| 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 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV Index values indicate an extreme risk of harm from unprotected sun exposure, particularly between January and October. The highest UV Index is recorded in March and April at 16, signaling these months as critical periods for potential sunburn, with a burn time of merely 10 minutes. While May to August maintains a consistent UV Index around 13 to 15, caution is still essential as these months also pose high risk. As the year progresses, September to November experiences slightly reduced levels, yet the UV Index remains at extreme levels around 14 to 15, reinforcing the need for protective measures. Residents and visitors are strongly advised to use sunscreen, wear protective clothing, and seek shade during peak sunlight hours to minimize the risk of UV-related health issues.
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 |
| Sipirok | 14 | 15 | 16 | 16 | 15 | 13 | 13 | 14 | 15 | 15 | 14 | 13 |