Last updated: July 2, 2025
Understanding the UV Index in Tirukkoyilur, India, is crucial for safeguarding your skin health amid the region's warm, tropical climate. The UV Index provides vital information about the sun's strength at different times of the day, allowing residents and visitors to take preventive measures against sunburn and long-term skin damage. With peak UV levels reaching as high as 13 around noon, awareness of these fluctuations can significantly enhance sun safety. By monitoring the UV levels throughout the day, you can enjoy the beautiful outdoors of Tirukkoyilur while ensuring that your skin remains protected from harmful rays.
As the sun rises, the UV Index begins its ascent, starting at a gentle 2 by 7:00 AM. By 8:00 AM, it increases to 4, signaling a bit more caution for those heading outdoors. The index climbs significantly, reaching 7 at 9:00 AM, and peaks at a striking 13 by 11:00 AM and 12:00 PM. This intense midday sun warrants protective measures, as the UV levels begin to taper off after 1:00 PM, dropping to 11 at 1:00 PM and then descending to 8 by 2:00 PM. As the afternoon progresses, the levels decrease further, settling at 5 by 3:00 PM and steadily falling to 1 by 5:00 PM. The day winds down into the evening, with UV levels reaching 0 by 7:00 PM, marking a safe end to sun exposure. Always remember to protect your skin during the 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 | 11 | extreme | 10 min |
| 11:00 | 13 | extreme | 10 min |
| 12:00 | 13 | 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 |
During the year, UV Index levels exhibit significant seasonal fluctuations, peaking from March through October with values categorized as extreme. The highest readings occur in April with a UV Index of 14, alongside July and August, which both record an index of 13. These months represent high-risk periods for sun exposure, with a burn time of just 10 minutes. In contrast, January and December experience very high levels with burn times of 15 minutes due to slightly lower indices of 10 and 9, respectively. Visitors and residents are strongly advised to take precautionary measures during high-risk months, such as wearing sunscreen, protective clothing, and taking breaks in shaded areas to minimize the risk of sunburn and skin damage.
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 |
| Tirukkoyilur | 10 | 12 | 13 | 14 | 12 | 12 | 13 | 13 | 12 | 11 | 11 | 9 |
| Bengaluru UVI | 11 | 13 | 13 | 14 | 13 | 14 | 14 | 14 | 14 | 12 | 11 | 10 |