Last updated: June 2, 2025
Understanding the UV Index in Mettur, India is vital for protecting yourself and your loved ones from the harmful effects of ultraviolet radiation. Awareness of UV levels is key to preventing sunburn and ensuring long-term skin health, especially in a region known for its Aw climate where UV exposure can peak significantly. With UV Index readings reaching as high as 12 during midday, it’s essential for residents and visitors alike to stay informed about daily sun exposure risks and take preventive measures, such as wearing sunscreen and protective clothing, to safeguard against skin damage.
At dawn, the sun's rays begin gently, with a UV Index of 2 at 07:00. As the morning progresses, this value steadily climbs, reaching 4 by 08:00 and peaking at a robust 12 by noon. The highest intensity occurs between 11:00 and 12:00, where caution is advised under the relentless sun. Following this peak, the index slightly decreases to 11 at 13:00 and dips further to 8 by 14:00, signifying a gradual retreat of UV strength. The afternoon winds down with safer levels, dropping to 5 at 15:00, and continuing its decline to 2 by 16:00. As the evening sets in, UV exposure tapers off dramatically, falling to 1 by 17:00, and fading into 0 at 19:00. Always remember to protect your skin during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV Index levels exhibit significant seasonal variation, with extremely high values typically peaking from February to September. Specifically, the highest levels are observed in April and August, with an Index of 14 and a burn time of just 10 minutes. Consequently, the high-risk months include March to October, where the UV Index consistently falls between 12 and 14, necessitating heightened sun safety awareness. During this period, it is crucial for visitors and residents to take protective measures, such as wearing ** sunscreen**, protective clothing, and sunglasses, while seeking shade during peak sun hours to minimize skin damage. As we approach the end of the year, UV levels drop, but attention should still be paid in November and December, where the index remains relatively high at 10 and 9, respectively.
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 |
| Mettur | 10 | 12 | 13 | 14 | 12 | 12 | 13 | 14 | 13 | 12 | 10 | 9 |
| Bengaluru UVI | 11 | 13 | 13 | 14 | 13 | 14 | 14 | 14 | 14 | 12 | 11 | 10 |