Last updated: June 2, 2025
In Challapalle, India, understanding the UV Index is crucial for protecting yourself and your loved ones from harmful sun exposure. With the region's Aw climate, characterized by hot summers, awareness of UV levels can significantly aid in sunburn prevention and long-term skin health. The UV Index peaks around midday, reaching alarming values of 12, indicating a high risk of harm from unprotected sun exposure. By staying informed about UV levels, residents can enjoy the sun while taking necessary precautions to safeguard their skin against its damaging effects.
The UV Index varies throughout the day, peaking dramatically around 11:00 AM and 12:00 PM at an impressive value of 12, signaling optimal conditions for sun exposure, albeit with caution. Starting from a moderate 2 at 07:00 AM, it escalates quickly to 8 by 09:00 AM. As the sun climbs higher, the index reaches a staggering 11 at 10:00 AM, before peaking at its midday highs. Afterward, the index gradually declines, slipping back to 5 by 15:00 PM and dropping to 2 by 16:00 PM. Towards the evening, the UV Index wanes further, falling to 1 by 17:00 PM and ultimately resting at 0 after 19:00 PM. This hourly data serves as a crucial reminder to stay vigilant about sun safety during those peak hours.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 5 | moderate | 30 min |
| 09:00 | 8 | very high | 15 min |
| 10:00 | 11 | extreme | 10 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 changes, with the highest values occurring from March to October. The months of February to September are particularly high-risk, featuring extreme UV levels where a burn can occur in as little as 10 minutes of exposure. Notably, September sees the peak UV Index of 14, maintaining extreme levels that warrant caution. During the winter months of January, November, and December, UV levels drop to very high, allowing for slightly longer exposure times of 15 minutes before the risk of burning increases. Given these variations, it is crucial for visitors and residents to take appropriate sun safety precautions, especially during the highest-risk months, by using sunscreen, wearing protective clothing, and seeking shade during peak sunlight hours.
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 |
| Challapalle | 8 | 11 | 11 | 12 | 13 | 12 | 13 | 13 | 14 | 11 | 9 | 8 |
| 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 |