Last updated: August 1, 2025
Understanding the UV Index is crucial for residents of Bara Uchana, India, where the combination of a Cwa climate and high sun exposure can lead to significant health risks. The UV index, peaking at an intense 11 around midday, serves as a vital indicator of ultraviolet radiation levels—a factor that influences not just sunburn risk but overall skin health. High UV levels can cause immediate damage, and prolonged exposure may lead to long-term consequences. By being aware of these levels, you can protect yourself during the sunniest times of the day, ensuring that you enjoy the sunshine safely while minimizing the risk of skin damage.
The UV Index throughout the day reveals a dramatic rise in sun intensity, peaking during the late morning to early afternoon. Starting the day at a modest 2 at 7:00 AM, the index climbs steadily, reaching 11 by 11:00 AM and maintaining that level until 1:00 PM. This signifies a high risk of harm from unprotected sun exposure. Following this peak, the index begins to dip, dropping to 8 by 2:00 PM, and continuing its decline until it falls to 0 by 7:00 PM. With this information, it's crucial to take sun safety precautions—especially during the hours when the UV Index is at its highest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 11 | extreme | 10 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 fluctuates significantly, highlighting the importance of sun safety for visitors and residents. High-risk months occur from March to August, where the UV Index reaches extreme levels of 11 in both May and July, demanding vigilant protection from harmful UV rays. During these peak months, the recommended burn time diminishes to just 10 minutes, emphasizing the need for sunscreen, protective clothing, and seeking shade. As we transition into the fall, the UV Index starts to decrease, with a notable drop in intensity by November and December, where it returns to a moderate 5 and 4 respectively, allowing for safer outdoor activities. Residents and visitors are advised to stay informed about the UV Index daily, particularly in the high-risk months, to ensure their safety while enjoying the sun.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bara Uchana | 5 | 6 | 9 | 10 | 11 | 10 | 11 | 11 | 9 | 8 | 5 | 4 |
| Delhi UVI | 5 | 6 | 9 | 10 | 10 | 10 | 12 | 12 | 9 | 8 | 5 | 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 |