Last updated: July 2, 2025
Understanding the UV Index in Boisar, India is crucial for safeguarding your skin and overall health. As residents and visitors navigate the warm, tropical climate typical of this Aw zone, awareness of UV levels can significantly reduce the risk of sunburn and long-term skin damage. With UV indices reaching a peak of 12 during midday, it’s essential to stay informed about daily fluctuations and take preventive measures. By keeping an eye on the UV Index, you can enjoy the sun while protecting yourself from its harmful effects, ensuring a healthier outdoor experience in Boisar.
As the sun rises, the UV Index begins to climb, peaking sharply at 12 around noon, indicating a high risk of harm from unprotected sun exposure. Starting at a minimal 1 at 07:00, it escalates to 3 by 08:00, before surging to 9 at 10:00. From 11:00 to 13:00, the intensity reaches its zenith, showcasing values of 11 and 12, respectively, urging caution for those outdoors. After its peak, the UV Index starts to wane, dropping to 10 at 14:00 and gradually descending to 4 by 16:00. As the day draws to a close, the UV exposure dwindles, settling back to 1 at 18:00, and eventually falling to 0 by 19:00, marking a significant decrease in sun intensity. Be mindful of these fluctuations to protect your skin!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index experiences significant fluctuations, with high-risk months occurring from March to September, where the index reaches extreme levels of 10 and above. Notably, April through August sees the highest readings, peaking at 13 in August, with a burn time that decreases to only 10 minutes in this period. This indicates a critical need for visitors and residents alike to adopt rigorous sun protection measures during these months. It is advisable to wear protective clothing, apply broad-spectrum sunscreen, and seek shade, especially within peak sunlight hours. As the year progresses, October experiences a slight drop in UV levels, transitioning to high exposure in November and December, where residents can enjoy a bit more time in the sun with increased burn times of 25 minutes. However, caution should still be exercised as UV radiation is present 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 |
| Boisar | 8 | 9 | 10 | 11 | 12 | 12 | 12 | 13 | 12 | 10 | 7 | 7 |
| 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 |