Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Kokrajhar, India, where the tropical climate can expose individuals to significant levels of ultraviolet radiation. Awareness of UV levels not only aids in preventing sunburn but also plays a vital role in safeguarding long-term skin health. With maximum UV Index readings soaring to 12 during the peak hours of 10 AM to 1 PM, Kokrajhar experiences heightened exposure risks that necessitate protective measures. Whether you’re enjoying the outdoors or going about your daily routine, staying informed about UV levels can help you navigate the sunny days safely.
Throughout the day, the UV Index experiences notable fluctuations, peaking at a striking 12 between 10:00 AM and 12:00 PM. Morning hours witness a gradual rise, starting from a moderate 4 at 7:00 AM, escalating to 6 by 8:00 AM. By 9:00 AM, the intensity sharply climbs to 10, urging caution for those outdoors. As the sun reaches its zenith, the index holds steady at 12, a warning for optimal sun protection. However, the intensity begins to wane post-noon, dropping to 9 by 1:00 PM and unwinding further to 6 by 2:00 PM. By late afternoon, the levels diminish significantly, with values of 3 at 3:00 PM and dwindling to 1 by 4:00 PM. As the sun sets, the UV Index eventually falls to 0 by 7:00 PM, providing relief as daylight fades.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 4 | moderate | 30 min |
| 08:00 | 6 | high | 25 min |
| 09:00 | 10 | very high | 15 min |
| 10:00 | 12 | extreme | 10 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 3 | moderate | 30 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Seasonal UV changes reveal that spring and summer months pose the highest risk for sun exposure, with the UV Index peaking in July and August at 12, categorized as extreme, where burn time is just 10 minutes. The months of March through October consistently show high to extreme UV levels, highlighting May through September as the most critical period for skin protection. To minimize risk, it is advisable for visitors and residents to take precautions during these high-risk months, including wearing protective clothing, applying broad-spectrum sunscreen with a high SPF, and seeking shade whenever possible. Conversely, winter months (January and December) feature moderate levels with an index of 5, allowing for safer outdoor activities but still warranting some level of sun protection.
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 |
| Kokrajhar | 5 | 7 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 7 | 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 |
| Bengaluru UVI | 11 | 13 | 13 | 14 | 13 | 14 | 14 | 14 | 14 | 12 | 11 | 10 |