Last updated: June 2, 2025
In Ammapettai, India, being aware of the UV Index is crucial for safeguarding your skin against damaging ultraviolet rays. With UV levels peaking during mid-day, understanding these fluctuations can help you prevent sunburn and maintain optimal skin health. This region experiences a significant amount of sun exposure, especially in the mornings and afternoons; for instance, the UV Index soars to a striking 12 between 11:00 AM and 12:00 PM. By keeping an eye on the UV Index, residents can better navigate their outdoor activities, ensuring they enjoy the warm climate while protecting themselves from harmful effects.
The UV Index throughout the day reveals a striking pattern of solar intensity. Early risers at 07:00 experience a mild level of 2, but as the sun climbs higher, the intensity surges. By 10:00, it reaches a peak of 10, and the midday hours from 11:00 to 12:00 are even more intense, with a UV Index of 12—the point at which protective measures become essential. As the afternoon progresses, the index begins to decline, dropping to 7 at 14:00 before easing to 4 by 15:00. The evening brings relief, with the index plummeting to 1 by 17:00 and eventually fading to 0 after 18:00. To make the most of the sun, enjoy the morning hours, but be cautious during peak times and keep that sunscreen handy!
| 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 | 10 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 4 | 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 |
Throughout the year, UV Index levels exhibit significant seasonal variation, with the highest readings occurring from February to October. The high-risk months, particularly from March to October, consistently showcase an extreme exposure category, correlating with a burn time of just 10 minutes. Visitors and residents are strongly advised to take necessary precautions during these months by applying broad-spectrum sunscreen, wearing protective clothing, and seeking shade during peak sun hours. As the year progresses into November and December, while UV levels slightly decrease to 11 and 9 respectively, precautions remain essential, especially given the very high exposure category in January and December with a burn time of 15 minutes. Staying vigilant against UV radiation is crucial for maintaining skin health year-round.
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 |
| Ammapettai | 10 | 12 | 13 | 15 | 12 | 12 | 13 | 14 | 13 | 11 | 11 | 9 |
| Bengaluru UVI | 11 | 13 | 13 | 14 | 13 | 14 | 14 | 14 | 14 | 12 | 11 | 10 |