Last updated: July 2, 2025
In Nattam, India, staying aware of the UV Index is crucial for protecting your skin and overall health. Understanding the daily UV levels can help you prevent sunburn and reduce the risk of long-term skin damage. With a climate that experiences high UV activity, particularly between 10:00 AM and 1:00 PM, it's essential to monitor these levels closely. For instance, the UV Index peaks at 13 around noon, indicating extreme risk and the need for effective sun protection. By being informed, you can enjoy the sunny days while safeguarding your skin against harmful exposure.
The UV Index journey throughout the day reveals a notable peak around midday. Starting gently at 2 at 07:00, it makes a steady climb, reaching 4 by 08:00. The sun’s intensity escalates dramatically, hitting a striking 10 by 10:00 and peaking at an impressive 13 at 12:00. The afternoon sees a gradual decline, with the index dropping to 5 by 15:00 before tapering off further as the sun sets, settling at 1 by 17:00. As evening approaches, the UV Index drops to 0, marking a safe end to sun exposure for the day. Stay sun-savvy and protect your skin during those high-index 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 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index exhibits significant seasonal fluctuations, particularly peaking from January to April, where levels reach an extreme category, with a high of 15 in April. This culminates in March and April, which are high-risk months for UV exposure, with optimal burn times averaging only 10 minutes. As the year progresses into the summer months of May through August, UV Index values remain consistently high, hovering around 12 to 13, maintaining an extreme exposure category. The late summer and early fall, September and October, also present high UV levels but slightly decrease to 12. The risk diminishes in November and December, transitioning to a very high category, with increased burn times of 15 minutes. Visitors and residents should take precautions year-round, particularly during the high-risk months, by wearing protective clothing, applying sunscreen regularly, and seeking shade during peak sunlight hours to mitigate the effects of prolonged UV exposure.
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 |
| Nattam | 11 | 12 | 13 | 15 | 13 | 12 | 13 | 13 | 13 | 12 | 10 | 9 |
| Bengaluru UVI | 11 | 13 | 13 | 14 | 13 | 14 | 14 | 14 | 14 | 12 | 11 | 10 |