Last updated: May 3, 2025
Understanding the UV Index is crucial for the residents of Shahr-e Qadim-e Lar, Iran, where the BWh climate can bring intense sunlight and elevated UV levels throughout the day. The UV Index serves as a vital tool for sunburn prevention and overall skin health, helping locals and visitors alike gauge their risk of harmful exposure. With peak UV levels soaring to 13 during midday hours, awareness of these fluctuations is essential for protecting skin from damage and minimizing the risk of long-term health issues. Stay informed, stay safe, and enjoy the sunshine responsibly!
Throughout the day, the UV Index exhibits a distinct pattern, peaking during the midday hours. Starting at a modest 1 at 7:00 AM, the index swiftly rises, reaching 3 by 8:00 AM. As the sun climbs higher, the intensity spikes dramatically, hitting 10 by 10:00 AM, and escalating to a critical 12 at 11:00 AM. The highest level occurs at 12:00 PM and 1:00 PM with a scorching 13, making these the prime hours for sun exposure. As the afternoon wanes, the index begins to taper off, dropping to 11 at 2:00 PM, then slipping to 7 by 3:00 PM. As evening approaches, it falls gently to 4 at 4:00 PM, down to 2 by 5:00 PM, and finally settles back at a safe 1 from 6:00 PM onwards. This data serves as a crucial reminder to protect your skin during the peak hours of sunlight!
| 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 | 10 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 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, the UV Index experiences significant seasonal variations, with the highest risk occurring from March to September. During these months, the UV Index reaches extreme levels, peaking at 13 in both May and July, where the recommended burn time is only 10 minutes. In contrast, the UV Index is lower during the winter months, with January recorded at 6 (high exposure) and December at 5 (moderate exposure), allowing for safer outdoor activity for up to 30 minutes. Visitors and residents should take extra precautions during February through September, using sunscreen, wearing protective clothing, and seeking shade during peak hours to minimize the risk of sunburn and skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Karaj UVI | 4 | 5 | 8 | 9 | 12 | 12 | 11 | 10 | 10 | 7 | 4 | 3 |
| Mashhad UVI | 4 | 5 | 8 | 10 | 12 | 12 | 12 | 11 | 10 | 7 | 4 | 3 |
| Tehran UVI | 4 | 6 | 8 | 9 | 13 | 12 | 11 | 10 | 10 | 7 | 5 | 3 |
| Tabriz UVI | 4 | 5 | 9 | 10 | 12 | 12 | 12 | 11 | 9 | 7 | 4 | 3 |
| Isfahan UVI | 5 | 7 | 10 | 10 | 13 | 13 | 12 | 11 | 10 | 9 | 6 | 4 |
| Shahr-e Qadim-e Lar | 6 | 8 | 11 | 11 | 13 | 12 | 13 | 12 | 11 | 9 | 7 | 5 |