Last updated: June 2, 2025
Understanding the UV Index in Khagrachhari, Bangladesh is crucial for everyone who enjoys the outdoor beauty of this vibrant region. As part of a climate zone characterized by ample sunlight, Khagrachhari often sees UV levels rise significantly, peaking around midday when the risk of sunburn and skin damage is at its highest. Awareness of these UV levels is vital for maintaining skin health and preventing harmful effects such as sunburn and long-term skin conditions. With UV Index readings soaring to 12 and 13 around noon, residents and visitors alike should take precautionary measures to protect themselves during peak hours, ensuring that outdoor adventures remain safe and enjoyable.
As dawn breaks, the UV Index begins its journey, starting at a modest 2 at 7:00 AM. By 8:00 AM, it steadily climbs to 4, signaling the approach of stronger rays. The sun reaches its peak intensity at noon, soaring to a remarkable 13. From 11:00 AM to 1:00 PM, the index remains alarmingly high, maxing out at 12 and then gradually declining in the afternoon. By 3:00 PM, it drops to 6 and continues to wane, arriving at a gentle 1 by 5:00 PM. As the day winds down, the UV Index falls to zero by 7:00 PM, presenting a safe reprieve from the sun's rays. Remember to protect your skin during those peak hours when the sun's strength is at its highest!
| 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 | 12 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 6 | 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 |
Throughout the year, the UV Index demonstrates significant seasonal variation, with the highest levels occurring from May to September. During these months, the exposure category reaches extreme, particularly in July, with a peak index of 14 and a minimal burn time of just 10 minutes. Conversely, January and December show lower UV levels with an index of 6 and a burn time of 25 minutes, categorized as high. High-risk months primarily include May, June, July, and August, where sun safety precautions are essential. Visitors and residents are advised to take protective measures such as wearing sunscreen, hats, and sunglasses, and seeking shade during peak sun hours, especially from late spring to early fall, 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 |
| Khagrachhari | 6 | 8 | 10 | 9 | 12 | 13 | 14 | 13 | 13 | 10 | 8 | 6 |
| Chattogram UVI | 6 | 8 | 10 | 10 | 12 | 13 | 13 | 13 | 12 | 11 | 8 | 6 |