Last updated: July 2, 2025
Understanding the UV Index in Cuddalore, India is crucial for protecting your skin and health under the intense tropical sun. As a coastal town in an Aw climate zone, Cuddalore experiences significant UV exposure, especially during midday hours when the index peaks at 13. Being aware of UV levels helps in sunburn prevention and maintaining long-term skin health. With values soaring to 12 and 13 between 11:00 AM and 12:00 PM, residents and visitors alike should take precautions to minimize risks and enjoy the sun safely. Stay informed, apply sunscreen, and seek shade during the highest UV index hours to protect yourself and your family.
As the day unfolds, the UV Index rises dramatically, reaching its peak at 12:00 PM with an impressive 13. Early morning hours start off gently, with a maximum of 2 at 7:00 AM, gradually climbing to 4 by 8:00 AM. The sun's intensity truly kicks in at 10:00 AM, hitting a notable 10 before skyrocketing to 12 by 11:00 AM. A slight decline begins after noon, with the index dropping to 11 at 1:00 PM, then tapering off to 8 by 2:00 PM. As the afternoon progresses, we see a further decrease, plummeting to 5 at 3:00 PM and drifting downwards to 1 by 5:00 PM, before the sunshine's effects completely fade away by 6:00 PM, when the UV Index reaches 0. It’s a reminder to stay sun-safe during those prime 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 | 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 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index experiences significant seasonal changes, peaking from March to October, when it consistently reaches extreme levels. The highest UV Index of 15 occurs in April, while February and March also present critical risks with values of 12 and 13 respectively. Visitors and residents should be particularly cautious during these high-risk months, where the recommended burn time is as low as 10 minutes. To protect against harmful UV exposure, it is advisable to wear sunscreen, protective clothing, and sunglasses, especially during midday hours when the sun's rays are strongest. In contrast, January, November, and December see a slight decrease in UV levels, with indices categorized as very high, and a burn time of 15 minutes still necessitating protective measures. Overall, maintaining awareness of UV fluctuations is crucial for enjoying outdoor activities safely throughout the year.
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 |
| Cuddalore | 10 | 12 | 13 | 15 | 12 | 12 | 13 | 13 | 13 | 11 | 10 | 9 |
| Bengaluru UVI | 11 | 13 | 13 | 14 | 13 | 14 | 14 | 14 | 14 | 12 | 11 | 10 |