Last updated: August 1, 2025
In Batu Arang, Malaysia, understanding the UV Index is essential for safeguarding your skin against harmful ultraviolet rays. With the region's tropical climate, where intense sunlight peaks at midday with an alarming UV Index of 12, awareness of UV levels can be key in preventing sunburn and promoting long-term skin health. By knowing when the sun’s rays are most potent—particularly between 10 AM and 4 PM—you can take crucial steps to protect yourself and enjoy the beautiful outdoor settings without the risk of overexposure. Staying informed about the UV Index not only helps you maintain a healthy lifestyle but also ensures that your adventures in Batu Arang remain safe and enjoyable!
The UV index data paints a vivid picture of a sunny day. Early hours start off with a minimal index, peaking at 1 by 8:00 AM and gradually climbing to 5 by 10:00 AM. As the day progresses, the afternoon sun takes center stage, hitting a scorching 11 at 12:00 PM, reaching its zenith at 1:00 PM with a blistering 12. Conditions remain intense throughout the early afternoon, lingering at 11 until 2:00 PM. A gradual decline follows, with the index dropping to 9 by 3:00 PM, and transitioning to a gentler 6 by 4:00 PM. As the sun sets, relief arrives with the index retreating to 3 at 5:00 PM and settling at a cool 1 by 6:00 PM. This data serves as a reminder to take precautions when basking in such brilliant sunshine!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index exhibits extreme levels from January through November, peaking at 15 in February and March, with consistent values around 12 to 15 from January to April. The high-risk months for UV exposure are predominantly from January to April and also include September and October, making these periods particularly hazardous. Visitors and residents should exercise caution and adopt protective measures such as wearing sunscreen, protective clothing, and seeking shade during outdoor activities, especially if spending prolonged time in the sun, as the burn time remains critically low at just 10 minutes throughout these months.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Batu Arang | 13 | 15 | 15 | 14 | 13 | 12 | 12 | 13 | 14 | 14 | 13 | 12 |
| Kampung Baru Subang UVI | 13 | 15 | 15 | 14 | 13 | 12 | 12 | 13 | 14 | 14 | 13 | 12 |
| Klang UVI | 13 | 15 | 15 | 14 | 13 | 12 | 12 | 13 | 14 | 14 | 13 | 12 |
| Kuala Lumpur UVI | 13 | 15 | 15 | 14 | 13 | 12 | 12 | 13 | 14 | 14 | 13 | 12 |
| Kota Bharu UVI | 13 | 15 | 16 | 15 | 14 | 13 | 12 | 13 | 14 | 14 | 12 | 12 |
| Johor Bahru UVI | 13 | 15 | 16 | 14 | 13 | 12 | 12 | 13 | 14 | 14 | 13 | 13 |