Last updated: August 1, 2025
Understanding the UV Index is vital for the residents of Shahzadpur, Bangladesh, where the sun's rays can pose significant health risks. With typical Af climatic conditions, residents experience intense sunlight, especially during midday hours, making it crucial to be aware of UV levels. Knowledge of these levels not only aids in sunburn prevention but also plays a pivotal role in maintaining overall skin health. For instance, during peak hours from 11:00 AM to 1:00 PM, the UV Index can reach a staggering 13, indicating extreme risk for skin damage. By staying informed and taking necessary precautions, you can enjoy the beautiful sunny days of Shahzadpur while protecting your skin!
As the sun rises, the UV Index gradually climbs, starting at a modest 2 at 7:00 AM. By 8:00 AM, it sharply increases to 4, setting the stage for the day's peak. The intensity hits its zenith at 12:00 PM, soaring to 13—a potent reminder to take sun safety precautions. As the afternoon unfolds, the UV levels begin to wane, dipping to 9 by 2:00 PM and further declining to 6 by 3:00 PM. The evening brings a gentle decline, with the index falling to 2 by 5:00 PM and tapering off to 0 by 7:00 PM. This dynamic pattern emphasizes the importance of sun protection, particularly during the midday hours when the UV rays are strongest.
| 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 | 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 vary significantly, with the highest values typically occurring in summer months. From March to September, the UV Index peaks, reaching extreme levels of 12 to 13 during May through August, where unprotected skin can burn in just 10 minutes. March and April also show very high levels at 9 and 10, respectively, indicating that sun safety is crucial. Months to be particularly vigilant about UV exposure include May, June, July, and August, which pose the greatest risk for skin damage. As the year progresses, the UV Index drops in autumn and winter, with January and December being relatively safer months, yet still advising caution with moderate to high levels. Residents and visitors should plan outdoor activities accordingly, using sun protection measures during peak UV times, particularly from midday to early afternoon.
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 |
| Shahzadpur | 5 | 7 | 9 | 10 | 12 | 12 | 13 | 13 | 12 | 10 | 8 | 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 |