Last updated: July 2, 2025
In Peranampattu, India, understanding the UV Index is vital for promoting skin health and preventing sunburns, especially given the region's Aw climate that typically delivers high levels of sun exposure. As UV levels soar throughout the day—from a moderate 4 at 8:00 AM to an extreme 14 at noon—awareness is key to protecting yourself and your loved ones. Whether you’re enjoying outdoor activities or simply soaking in the sun, keeping track of the UV Index can help you take necessary precautions, ensuring that your time in the sun is safe and enjoyable.
The UV Index trend throughout the day reveals a striking peak during midday hours, urging caution for outdoor enthusiasts. Starting modestly at 2 at 07:00, the index rapidly climbs, reaching a significant 14 by 12:00, making this the most critical time for sun exposure. Even as the clock ticks towards the afternoon, the UV levels remain high, peaking at 13 at 11:00 and 12:00, before gradually declining to 5 by 15:00. As the day winds down, the index drops to 3 at 16:00, then tapering off to 1 by the evening hours. For those venturing outside, it's essential to protect your skin between 10:00 AM and 2:00 PM, when the sun's rays are most intense.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 8 | very high | 15 min |
| 10:00 | 11 | extreme | 10 min |
| 11:00 | 13 | extreme | 10 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 5 | moderate | 30 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 exhibits significant seasonal fluctuations, peaking in the summer months. From January to March, residents and visitors should be cautious, experiencing a very high UV Index of 10 in January, which escalates to an extreme index of 13 by February and March. As the year progresses, the UV Index remains consistently extreme, reaching a high of 14 in both July and August, necessitating vigilance regarding sun exposure. The risk of skin damage is particularly heightened from February through October, with minimal safe exposure times of just 10 minutes during these months. Consequently, individuals are advised to adopt protective measures, such as wearing sunscreen, hats, and UV-blocking glasses, especially during these high-risk months, while still enjoying outdoor activities safely. In contrast, a slight decrease in UV levels is noted in late fall and winter, with the index dropping to 9 in December, signifying a relatively lower risk period.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Delhi UVI | 5 | 6 | 9 | 10 | 10 | 10 | 12 | 12 | 9 | 8 | 5 | 5 |
| Mumbai UVI | 8 | 9 | 10 | 11 | 11 | 12 | 13 | 13 | 11 | 10 | 7 | 7 |
| Ahmedabad UVI | 7 | 8 | 10 | 12 | 11 | 12 | 13 | 13 | 11 | 10 | 7 | 6 |
| Hyderabad UVI | 10 | 11 | 12 | 11 | 13 | 13 | 15 | 14 | 13 | 11 | 8 | 8 |
| Peranampattu | 10 | 13 | 13 | 14 | 13 | 13 | 14 | 14 | 13 | 11 | 11 | 9 |
| Bengaluru UVI | 11 | 13 | 13 | 14 | 13 | 14 | 14 | 14 | 14 | 12 | 11 | 10 |