Last updated: June 2, 2025
In Mymensingh, Bangladesh, awareness of the UV Index is crucial for safeguarding skin health and preventing sunburn. With the region's tropical climate regularly exposing residents to high levels of ultraviolet radiation—especially during peak hours—understanding UV levels can inform vital decisions about sun safety. As the UV Index rises to a blistering 12 around midday, knowing when to seek shade and use protective measures becomes essential in not just enjoying the sunny days but also in protecting our skin from long-term damage. Stay informed, stay safe, and embrace the sunlight wisely!
The UV Index for the day reveals a dynamic pattern, peaking at 12 around noon. Starting off mild at 2 by 7:00 AM, the intensity climbs steadily, hitting 4 at 8:00 AM and soaring to a noticeable 9 by 10:00 AM. The critical threshold of 11 is reached at 11:00 AM, signaling a high risk for sun exposure, followed closely by the peak at 12 at 12:00 PM. As the afternoon unfolds, the index begins to taper off, gradually descending to 9 at 2:00 PM, 6 at 3:00 PM, and continuing down to a low of 1 by 5:00 PM. By evening, the sun's intensity wanes, leading to a 0 UV exposure risk by 7:00 PM. It's essential to stay protected during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 12 | 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 |
As the year progresses, the UV Index varies significantly, indicating changing levels of sun exposure risk. From January to February, the UV Index rises from 5 (moderate) to 7 (high), suggesting that residents and visitors should begin to take precautions. The months of March through September present the highest risk, with the UV Index peaking at 13 (extreme) in both July and August, where burn times drop to just 10 minutes. Conversely, the UV Index decreases in October through December, yet remains a concern, particularly in November (8 - very high) and December (6 - high). To protect against UV damage, it is crucial for individuals to wear sunscreen, seek shade, and limit sun exposure during the high-risk months of May through September. Being vigilant about these changes can greatly reduce the risk of sunburn and long-term 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 |
| Mymensingh | 5 | 7 | 8 | 10 | 12 | 12 | 13 | 13 | 12 | 10 | 8 | 6 |
| 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 |