Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Bihariganj, India, where the subtropical climate brings both its warmth and UV exposure risks. As UV levels can soar to a peak of 10 around midday, being aware of these fluctuations is essential for sunburn prevention and maintaining skin health. Daily activities can inadvertently expose the skin to harmful rays; thus, knowing when to seek shade or apply sunscreen can make all the difference. With Bihariganj's typical climate presenting a diverse range of UV risks, prioritizing sun safety is more important than ever. Stay informed and protect yourself from the sun's harmful effects!
At dawn, the UV Index starts low, peaking at 3 by 7:00 AM. As the sun rises higher, it climbs swiftly, reaching 5 by 8:00 AM and hitting a significant 7 at 9:00 AM. The intensity continues to escalate, culminating in a robust 10 at 11:00 AM, which signals a high risk for sun exposure. The UV levels begin to taper off post-noon, dropping to 9 at 12:00 PM and declining to 7 by 1:00 PM. Early afternoon sees a decrease to 5 at 2:00 PM, eventually sinking to 3 by 3:00 PM. As the sun sets, the UV Index falls further, plummeting to 0 by 6:00 PM, emphasizing the importance of sun protection during the peak hours of 10:00 AM to 12:00 PM when the risk is highest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 3 | moderate | 30 min |
| 08:00 | 5 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 3 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index demonstrates significant seasonal variations, with high-risk months generally occurring from March to October. During this period, especially in July, August, and September, the UV Index reaches an extreme level of 12, indicating a burn time of just 10 minutes. Notably, April and June also showcase a very high index of 10, necessitating diligent sun protection. In contrast, winter months like January and December see a moderate UV Index of 5, allowing for longer exposure times of 30 minutes. Visitors and residents alike are advised to practice sun safety during high-index months—such as wearing protective clothing, using broad-spectrum sunscreen, and seeking shade during peak hours—to minimize the risk of UV-related skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Delhi UVI | 5 | 6 | 9 | 10 | 10 | 10 | 12 | 12 | 9 | 8 | 5 | 5 |
| Bihariganj | 5 | 6 | 8 | 10 | 9 | 10 | 12 | 12 | 12 | 9 | 6 | 5 |
| Mumbai UVI | 8 | 9 | 10 | 11 | 11 | 12 | 13 | 13 | 11 | 10 | 7 | 7 |
| Ahmedabad UVI | 7 | 8 | 10 | 12 | 11 | 12 | 13 | 13 | 11 | 10 | 7 | 6 |
| Hyderabad UVI | 10 | 11 | 12 | 11 | 13 | 13 | 15 | 14 | 13 | 11 | 8 | 8 |
| Bengaluru UVI | 11 | 13 | 13 | 14 | 13 | 14 | 14 | 14 | 14 | 12 | 11 | 10 |