Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Netrakona, Bangladesh, where the tropical climate can lead to intense sun exposure, especially between 10 AM and 2 PM when UV levels peak at a high of 12. Being aware of these levels helps everyone effectively prevent sunburn and protect their skin health from long-term damage. The noteworthy fluctuations in UV intensity throughout the day—ranging from a moderate 2 in the early morning to hazardous levels during midday—underscore the importance of sun safety practices. By staying informed about the UV Index, residents can enjoy the sunny days while safeguarding their skin.
At sunrise, the UV Index begins at a gentle 2 by 07:00, but as the sun rises higher, the intensity quickly escalates. By 09:00, it reaches a moderate 7, signaling outdoor enthusiasts to apply sunscreen. The peak comes at 11:00 and 12:00, where the index peaks at a striking 12, indicating very high levels of UV radiation. As the afternoon progresses, the index gradually decreases, dipping to 8 by 14:00 and further dropping to 5 by 15:00. In the late afternoon and evening, the UV Index retreats to 3 by 16:00, finally settling at 1 by 17:00 and fading to 0 after 19:00. This daily cycle highlights the importance of sun safety during those 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 | 12 | extreme | 10 min |
13:00 | 11 | extreme | 10 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 notable seasonal changes, with high-risk months occurring from March to September. During these months, the UV Index ranges from 8 to 13, categorizing them as very high to extreme exposure. The most critical months, May, June, July, and August, have an extreme index of 12 to 13, with burn times as short as 10 minutes. Residents and visitors are strongly advised to take precautions during these periods by seeking shade, wearing protective clothing, and using broad-spectrum sunscreen to reduce risk of skin damage. Conversely, the UV Index recedes during January, February, October, November, and December, but even in these months, it is essential to stay mindful of sun exposure, especially during midday hours.
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 |
Netrakona | 6 | 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 |