Last updated: August 1, 2025
Understanding the UV Index is crucial for residents of Habiganj, Bangladesh, where the combination of a Cwa climate and high humidity levels can lead to significant sun exposure. Being aware of the daily UV levels helps in preventing sunburn and promoting long-term skin health, especially during the peak hours where the UV Index can soar as high as 13 around noon. In Habiganj, from mid-morning to early afternoon, the sun's intensity reaches its peak, increasing the risk of harmful effects on your skin. Stay informed about these levels to better protect yourself and enjoy the sunny days safely!
The UV Index throughout the day showcases a striking pattern of intensity, peaking sharply around 11:00 AM and 12:00 PM with a robust 13, signaling a high risk for sun exposure during these hours. Early morning starts gently at 2 at 7:00 AM, then steadily climbs, passing through moderate levels at 8:00 AM and 9:00 AM, before reaching a critical point with a 10 at 10:00 AM. Post-noon, the index gradually declines, dropping to 6 by 3:00 PM and further to a much safer 1 by the evening at 5:00 PM and 6:00 PM, where it ultimately settles at 0 by nightfall. To enjoy the sun while protecting your skin, plan outdoor activities early or enjoy them after the 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 | 12 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 12 | 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, UV Index levels demonstrate notable seasonal changes, peaking in the summer months. From May to September, the UV Index ranges from 12 to 13, categorizing these months as experiencing extreme exposure, with a burn time of just 10 minutes. March and April also show a significant increase, with indices reaching 8 and 9, classifying them as very high exposure months. Conversely, during January, February, and December, the UV Index decreases to 6, indicating a high exposure risk, but with longer burn times of 25 minutes. Visitors and residents are strongly advised to take precautions during the high-risk months of May through September by applying sunscreen, wearing protective clothing, and limiting sun exposure, especially between 10 a.m. and 4 p.m. 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 |
| Habiganj | 6 | 7 | 8 | 9 | 12 | 12 | 13 | 13 | 13 | 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 |