Last updated: July 2, 2025
Understanding the UV Index in Unnao, India is crucial for maintaining your skin health and preventing sunburn, especially given the region's Csa climate, characterized by hot summers and mild winters. With UV levels peaking around 11 AM to 1 PM, where intensities can soar to a maximum of 12, being aware of the UV Index helps residents and visitors alike protect themselves from harmful solar radiation. As the city's sun exposure risks fluctuate throughout the day—from a moderate 4 in the late morning to a very high 10 at its peak—it's essential to equip yourself with knowledge and precautions to enjoy the sun safely.
The UV Index throughout the day showcases a striking peak around 11:00 AM, reaching its maximum of 12, indicating a very high risk of harm from unprotected sun exposure. As the sun climbs, the index steadily rises from 2 at 7:00 AM to 10 by 10:00 AM, making it crucial for sun safety measures to be in place. After reaching the zenith at noon, the index gradually declines, with values dropping back to 5 by 3:00 PM and further down to 1 by 5:00 PM, signifying a much lower risk in the late afternoon and evening. As dusk settles, the UV index falls to 0 by 7:00 PM, marking the end of significant sun exposure hazards for the day. Stay vigilant and protect your skin 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 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 2 | low | 45 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, reflecting varying sun exposure risks. January and February both present a high UV Index of 6, requiring about 25 minutes for skin to start burning. As spring approaches, March ramps up to a very high Index of 8, with an increased burn time of just 15 minutes. The peak months for UV exposure are April through August, where the UV Index hits 10 (very high) to 12 (extreme), drastically reducing burn times to 10-15 minutes. September and October remain high risk, with indices of 10 and 9, respectively. By November, the UV Index drops back to 6, then further to 5 in December, when the burn time increases to 30 minutes. Visitors and residents are strongly advised to take precautions during the high-risk months of March through October, wearing appropriate sun protection such as sunscreen, hats, and sunglasses, especially during midday hours when the sun’s rays are strongest.
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 |
| Unnao | 6 | 6 | 8 | 10 | 10 | 10 | 12 | 12 | 10 | 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 |