Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Uttar Char Fasson, Bangladesh, where the tropical climate often leads to high levels of sun exposure. Awareness of UV levels helps in preventing sunburn and maintaining skin health, essential for both long-term wellbeing and daily comfort. With UV Index readings peaking at a staggering 14 around noon, it's vital to recognize the potential risks during peak hours to safeguard against harmful effects. As you navigate the sun-drenched days in this vibrant region, staying informed about UV exposure can make a significant difference in your health and overall quality of life.
The UV Index throughout the day displays a dramatic rise and fall, serving as a reminder to take sun safety precautions. Starting at 2 at 7:00 AM, the index quickly escalates, reaching 10 by 10:00 AM, peaking at an impressive 14 around 12:00 PM. This midday intensity signals the importance of protective measures against harmful rays. As the afternoon progresses, the index retreats, dropping to 7 by 3:00 PM and gently tapering off to 1 by 5:00 PM. By 7:00 PM, it sinks to 0, indicating a clear sky free from UV threat. Enjoy the sun, but remember to protect your skin during those peak 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 | 13 | extreme | 10 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 7 | high | 25 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 |
As the seasons change, so does the UV Index, which is crucial for understanding sun exposure and burn risks throughout the year. From February to October, the UV Index peaks, with May to September being particularly high-risk months, recording values between 13 and 14, categorized as extreme—indicating a burn time of just 10 minutes for vulnerable skin. In March and April, the UV Index remains at 10, classified as very high, with similar burn times. Conversely, January and December show a decrease to a high index of 6, allowing for 25 minutes of safe exposure before a burn occurs. Therefore, residents and visitors are strongly advised to take precautions, especially during high-risk months by applying sunscreen, wearing protective clothing, and seeking shade during peak sunlight hours to minimize the risk of skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| Uttar Char Fasson | 6 | 8 | 10 | 10 | 13 | 13 | 14 | 14 | 13 | 11 | 8 | 6 |