Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Sungai Petani, Malaysia, where the tropical climate often exposes us to high levels of ultraviolet radiation. With peak UV levels reaching 12 during midday, awareness of these fluctuations is vital for preventing sunburn and safeguarding skin health. Being informed allows you to take necessary precautions, especially in a climate zone known for its intense sun exposure. So, whether you're headed outdoors for work or leisure, knowing the UV Index can help you enjoy the sunny days safely while minimizing the risk of skin damage.
The UV Index throughout the day presents a captivating journey of sun exposure. Starting from a calm 0 at 7:00 AM, the intensity gradually rises, hitting 1 by 8:00 AM, signifying the sun's gentle awakening. As the clock strikes 10:00 AM, a notable increase to 5 indicates a more pronounced presence of UV rays. The peak occurs at 12:00 PM, where the index reaches a striking 11, suggesting it's time to seek shade and protect your skin. A brief moment of intensity persists until 2:00 PM, where it maintains a high of 12. The afternoon shows a decrease; by 4:00 PM, it's down to 6, and as the sun sets, the index gently falls to 1 at 6:00 PM, before concluding the day at 1 by 7:00 PM. Throughout this radiant cycle, awareness and precaution are essential to enjoy the sunshine safely!
| 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 | 8 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 12 | 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 |
Throughout the year, the UV Index remains consistently high, indicating an extreme exposure category with a burn time of just 10 minutes across all months. Notably, the highest UV readings occur from February to April, with peaks of 15, making these the high-risk months for sun-related health issues. Despite a slight decrease in the index during summer and fall, the risk remains significant, particularly in March and February. Visitors and residents are strongly advised to take proactive measures to protect their skin, such as wearing sunscreen, protective clothing, and seeking shade during peak sun hours, ensuring safety against harmful UV radiation all year round.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| Sungai Petani | 13 | 15 | 15 | 14 | 14 | 13 | 12 | 13 | 14 | 14 | 12 | 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 |