Last updated: May 3, 2025
In Khonj, Iran, staying informed about the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels not only helps in preventing sunburn but also plays a significant role in long-term skin health, reducing the risk of skin cancer and premature aging. Located in a BWh climate zone, Khonj experiences significant UV exposure, especially during the peak hours between 11:00 AM and 1:00 PM, where UV Index values soar to a hazardous 13. Awareness of these levels empowers residents to take necessary precautions, ensuring they enjoy the sunny days while protecting their skin from harmful effects.
The UV Index on this particular day reflects the sun's intensity, peaking around 12:00 PM with a striking 13. Early morning hours start off gently, with a 1 at 7:00 AM and gradually climbing to a moderate 3 by 8:00 AM. By 9:00 AM, the index reaches a notable 6, but the afternoon demands attention as it escalates sharply to 12 and then stabilizes at 13 between 12:00 PM and 1:00 PM. As the sun begins to descend, the UV levels reduce, dropping to 10 at 2:00 PM, then tapering off to a manageable 4 by 4:00 PM. Finally, as the day winds down, the index falls to 1 by 6:00 PM, confirming that the sun’s effects diminish as twilight approaches. Be sure to protect your skin during the midday peak!
| 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 | 12 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 13 | 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, 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 |
| Khonj | 6 | 8 | 11 | 11 | 13 | 12 | 13 | 12 | 11 | 9 | 7 | 5 |