Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Panchagarh, Bangladesh, where the climate can expose individuals to significant ultraviolet radiation throughout the year. With peak UV levels reaching as high as 11 around noon, awareness of these fluctuations is essential to prevent sunburn and protect skin health. By closely monitoring the UV index, locals can take proactive measures—like applying sunscreen or seeking shade—to safeguard their skin against potential damage. Given Panchagarh's distinct Cwa climate, characterized by warm summers and varied sun exposure, staying informed about UV levels can make all the difference in enjoying a sunny day while keeping skin healthy and protected.
At dawn, the UV Index starts off low at 1 by 7:00 AM, but as the day unfolds, it quickly rises. By 10:00 AM, it hits 8, reaching peak intensity at noon with an index of 11. As the afternoon progresses, the UV levels begin to drop, stabilizing at 10 shortly after noon before gently declining to 5 by 3:00 PM. The sun’s influence wanes further as evening approaches, tapering down to 1 by 5:00 PM and finally dissipating to 0 by 7:00 PM. This fluctuation highlights the importance of sun protection during peak hours, especially between 10 AM and 2 PM when UV exposure is at its highest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | moderate | 30 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 exhibits significant seasonal variations, with increasing levels from January to July, peaking at 13 in July. The period from March to September represents the high-risk months for UV exposure, with March and April categorized as very high and May to September classified as extreme, indicating a burn time of only 10 minutes during peak hours. As summer wanes into autumn, the UV Index gradually decreases, relaxing to the very high category in October and dropping further to the high category in November and December. Visitors and residents are advised to take precautionary measures during the high-risk months by wearing sunscreen, protective clothing, and seeking shade, especially during midday hours when UV radiation is at its most intense.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Panchagarh | 5 | 6 | 8 | 9 | 11 | 11 | 13 | 12 | 11 | 9 | 7 | 6 |
| 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 |