Last updated: June 2, 2025
Awareness of the UV Index is crucial for residents of Sillanwali, Pakistan, where the dry, semi-arid climate (BSh) can elevate sun exposure risks throughout the year. Understanding UV levels is vital for preventing sunburn and protecting skin health, especially during peak hours when the index reaches highs of 10 around noon. With UV exposure peaking in the late morning and early afternoon, it’s important to stay informed and take appropriate precautions to enjoy the sun safely while minimizing health risks.
The UV Index for the day offers a dynamic range that peaks around midday. Starting at a mild level of 1 at 07:00, the intensity gradually escalates, reaching a notable 3 by 08:00. As the sun climbs higher, the index hits 5 at 09:00 and gets serious by 10:00 with a 7. The true zenith arrives at 12:00, where the UV Index soars to an impressive 10, signaling the highest sun exposure risk. The afternoon sees a gradual decline—dropping to 9 at 13:00 and then easing to 8 by 14:00. By late afternoon, the index falls to 5 at 15:00, continuing its descent to 3 at 16:00, 2 at 17:00, and finally tapering back to 1 as the evening sets in. Stay sun-smart during peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | 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 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index demonstrates notable seasonal changes, with high-risk months typically occurring from March to August. During this period, the UV Index peaks at 11 in both July and August, indicating an extreme exposure category and a rapid burn time of just 10 minutes. From April to June, the UV Index remains in the very high range, necessitating vigilant sun protection. As the year progresses into September and October, the Index declines but remains significant, particularly in early autumn. Visitors and residents are advised to take precautions during high UV months by using sunscreen, wearing protective clothing, and seeking shade, particularly during peak sun hours to minimize skin damage and health risks.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rawalpindi UVI | 4 | 5 | 9 | 9 | 11 | 11 | 11 | 10 | 9 | 6 | 4 | 3 |
| Lahore UVI | 4 | 5 | 9 | 9 | 10 | 10 | 11 | 11 | 8 | 6 | 4 | 4 |
| Faisalabad UVI | 4 | 6 | 8 | 9 | 10 | 10 | 11 | 11 | 9 | 7 | 5 | 4 |
| Sillanwali | 4 | 6 | 8 | 9 | 10 | 10 | 11 | 11 | 9 | 7 | 5 | 4 |
| Multan UVI | 4 | 6 | 9 | 9 | 11 | 10 | 11 | 11 | 9 | 7 | 5 | 4 |
| Karachi UVI | 6 | 8 | 10 | 11 | 11 | 10 | 12 | 12 | 10 | 10 | 7 | 6 |