Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Islampur, India, where the climate is classified as Cwa, bringing warm summers and intense sunlight. Being aware of the UV levels throughout the day helps prevent sunburns and protects overall skin health, allowing you to safely enjoy outdoor activities. With peak UV exposure around late morning to early afternoon, reaching a high of 13 at 11:00 AM, it’s essential to stay informed and take necessary precautions. By keeping an eye on the UV Index, you can effectively manage risks related to sun exposure and maintain your well-being in Islampur's sunny environment.
The UV Index throughout the day showcases a dynamic shift in sun intensity. Early morning starts with a moderate 3 at 07:00, gradually escalating as the sun climbs higher. By 09:00, the index reaches a peak of 10, signifying the need for sun protection. The intensity continues to rise, peaking at 13 by 11:00, just before noon. From there, it slightly descends, holding steady at 12 until 12:00, then tapering off as the afternoon progresses. The index drops to 10 by 13:00, followed by a swift decline to 7 at 14:00, then further down to 4 at 15:00. As the evening approaches, the UV exposure diminishes significantly, plummeting to 1 by 17:00 and finally reaching zero by 18:00 and beyond. Embrace the sun wisely!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 3 | moderate | 30 min |
| 08:00 | 6 | high | 25 min |
| 09:00 | 10 | very high | 15 min |
| 10:00 | 12 | extreme | 10 min |
| 11:00 | 13 | 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, the UV Index exhibits significant seasonal variations, with increasing levels from January to July, peaking at 13 in July. The period from March to September represents the high-risk months for UV exposure, with March and April categorized as very high and May to September classified as extreme, indicating a burn time of only 10 minutes during peak hours. As summer wanes into autumn, the UV Index gradually decreases, relaxing to the very high category in October and dropping further to the high category in November and December. Visitors and residents are advised to take precautionary measures during the high-risk months by wearing sunscreen, protective clothing, and seeking shade, especially during midday hours when UV radiation is at its most intense.
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 |
| Islampur | 5 | 6 | 8 | 9 | 11 | 11 | 13 | 12 | 11 | 9 | 7 | 6 |
| 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 |
| Bengaluru UVI | 11 | 13 | 13 | 14 | 13 | 14 | 14 | 14 | 14 | 12 | 11 | 10 |