Last updated: July 2, 2025
In Thenkasi, India, understanding the UV Index is crucial for protecting your skin and overall health. As the sun’s rays can be intense, particularly in mid-day with UV levels peaking at 13 around noon, awareness of these levels can help prevent sunburn and long-term skin damage. With a climate classified as Aw, residents and visitors face unique exposure risks, making it essential to track UV levels throughout the day. From enjoying outdoor activities to maintaining skin health, being informed about the UV Index can empower the community to embrace sunlight safely and smartly.
As the sun rises, the UV Index begins subtly, peaking at 1 by 7:00 AM. By 9:00 AM, it climbs to a moderate level of 6, increasing to a striking 10 at 10:00 AM. At 11:00 AM, the intensity reaches its zenith with a sharp 12, and by 12:00 PM, it hits a scorching 13. The afternoon witnesses a gradual decline, with UV levels dropping to 12 by 1:00 PM, followed by a swift descent to 9 at 2:00 PM and further down to 5 by 3:00 PM. As the day winds down, UV exposure diminishes, falling to 3 at 4:00 PM, and finally settling back to 1 by 5:00 PM. The UV index ends the day at 0 by 7:00 PM, signaling a safe retreat from sun exposure. This hourly fluctuation highlights the importance of sun safety, especially during peak hours when UV radiation is at its most intense.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 13 | 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 |
The UV Index in this region exhibits extreme levels throughout most of the year, with values peaking at 15 in April and remaining significantly high from January to September, indicating a burn time of just 10 minutes during these months. High-risk months include March, April, August, and September, where UV levels often reach their maximum intensity. Residents and visitors should take precautionary measures, such as wearing protective clothing, using broad-spectrum sunscreen, and limiting sun exposure during peak hours, especially between 10 AM and 4 PM. In December, the UV Index drops to 10, classified as very high, suggesting a burn time of 15 minutes, still necessitating caution as the sun can still cause harm. Always be proactive about sun safety, regardless of the month.
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 |
| Bengaluru UVI | 11 | 13 | 13 | 14 | 13 | 14 | 14 | 14 | 14 | 12 | 11 | 10 |
| Thenkasi | 12 | 13 | 14 | 15 | 13 | 13 | 13 | 14 | 14 | 12 | 11 | 10 |