Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Johi, Pakistan, where the sun's intensity can pose significant risks to skin health. With peak UV levels reaching as high as 13, awareness of these fluctuations is essential for preventing sunburn and minimizing long-term skin damage. Johi’s BWh climate brings long, sunny days, making it imperative to monitor UV exposure throughout the day, especially during midday when levels can become critical. By staying informed about the UV Index, you can take proactive steps to protect yourself and your loved ones from harmful effects of sun exposure.
The UV Index for the day exhibits a striking daytime peak, rising steadily from a gentle 1 at 07:00 to an intense 13 by 12:00. As the sun reaches its zenith, the 11:00 and 12:00 hours warn of heightened exposure, with the index hitting its maximum at 13:00 before beginning its gradual decline. By 15:00, it slips to 7, reminding us that even in the afternoon, protection is vital. As the day winds down, the UV levels fall back to a safe 1 by 18:00, ensuring a return to safer conditions for evening activities. Stay vigilant and protect your skin during those midday hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | 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 | 13 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV index levels exhibit significant seasonal variations, with high-risk months identified as March through August when the index reaches extreme levels. Notably, April and May peak at an index of 11 and 13, prompting a burn time of only 10 minutes. Visitors and residents should exercise caution during these months by seeking shade, wearing protective clothing, and applying sunscreen frequently, especially from noon to 3 PM when UV rays are strongest. January and February also present high exposure risks with an index of 6-7 and a burn time of 25 minutes, while the UV levels decrease in November and December to a safer range, with indexes of 6 and 5, respectively. It is crucial to remain vigilant year-round, adjusting sun safety practices according to the monthly UV index to protect skin health.
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 |
| 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 |
| Johi | 6 | 7 | 10 | 11 | 13 | 11 | 13 | 12 | 10 | 9 | 6 | 5 |