Last updated: July 2, 2025
Understanding the UV Index in Defence Colony, India, is crucial for safeguarding your skin and overall health under the sun. As part of a Cwa climate zone, the area can experience significant UV exposure, especially during midday hours when the index peaks at 11 around noon. Knowing the UV levels is essential for sunburn prevention and maintaining skin health, allowing residents and visitors alike to take necessary precautions against harmful rays. With morning values starting from 2 and climbing to dangerous levels by late morning, being informed about the UV Index can make all the difference in enjoying the sunny weather safely and confidently.
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 | 4 | 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 |
Seasonal variations in UV exposure reveal significant changes throughout the year. High-risk months typically occur from March to October, during which the UV Index often exceeds 8, indicating very high to extreme exposure levels. Notably, July and August register the highest index values at 11, with a minimal safe burn time of only 10 minutes. Residents and visitors should be particularly cautious during this period, employing protective strategies such as wearing sunscreen, seeking shade, and donning protective clothing. As the year transitions, January, November, and December present moderate UV levels (Index 5), allowing for more extended exposure time of 30 minutes, but it's still advisable to take necessary precautions. Planning outdoor activities should take these UV changes into account to ensure safety and skin health.
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 |
| Defence Colony | 5 | 6 | 9 | 10 | 10 | 10 | 11 | 11 | 10 | 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 |