Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Nilphamari, Bangladesh, where the sun’s rays can be intense due to its Cwa climate. Being aware of the UV levels helps in preventing sunburn and protecting overall skin health, particularly during the peak hours when the index reaches as high as 11. With significant UV exposure risks typically occurring from late morning to early afternoon, it’s vital for locals to stay informed about daily UV fluctuations to enjoy outdoor activities safely and responsibly. Always keep an eye on the UV Index to ensure you're taking the necessary precautions for your skin and well-being!
As the day unfolds, the UV Index experiences a dramatic rise, peaking at 11 around noon. Starting from a mild 1 at 7:00 AM, the sun's intensity escalates sharply, reaching a significant 10 by 11:00 AM. Enthusiastic sunbathers should be extra cautious between 10:00 AM and 1:00 PM, when UV exposure can be at its highest. The index begins to dip after 1 PM, descending to 5 by 3:00 PM, and further to 1 by 5:00 PM. As the sun sets, the UV levels diminish to 0 by 7:00 PM, marking a safe return for evening activities. Stay protected during peak hours for a healthy and enjoyable day in the sun!
| 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 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV exposure varies significantly, with the highest risk months being May through September, where the UV Index reaches its peak values of 11 to 13 and falls into the extreme exposure category. During these months, the recommended burn time is as short as 10 minutes. Conversely, the lowest UV levels occur in the winter months, with January showing a moderate index of 5, allowing for a 30-minute burn time. Visitors and residents are advised to take extra precautions during March to October, especially from May to September, by wearing protective clothing, applying sunscreen regularly, and seeking shade during peak sunlight hours to minimize the risk of UV-related health issues.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nilphamari | 5 | 6 | 8 | 9 | 11 | 11 | 13 | 12 | 12 | 9 | 7 | 6 |
| Rajshahi UVI | 5 | 7 | 8 | 9 | 10 | 12 | 13 | 13 | 12 | 10 | 7 | 5 |
| Dhaka UVI | 5 | 7 | 9 | 9 | 12 | 13 | 13 | 13 | 12 | 11 | 7 | 6 |
| Comilla UVI | 6 | 7 | 9 | 10 | 12 | 13 | 13 | 13 | 12 | 10 | 8 | 6 |
| Khulna UVI | 5 | 7 | 9 | 10 | 13 | 13 | 13 | 14 | 12 | 11 | 8 | 6 |
| Chattogram UVI | 6 | 8 | 10 | 10 | 12 | 13 | 13 | 13 | 12 | 11 | 8 | 6 |