Last updated: July 2, 2025
In Dezful, Iran, understanding the UV Index is crucial for protecting your skin and overall health against the sun's harmful rays. This city, characterized by a BSh climate, experiences significant UV exposure, especially during the peak hours of 10 AM to 2 PM when the UV Index can soar to 10. By being aware of UV levels, you can take proactive steps to prevent sunburn and reduce long-term skin damage. Whether you’re enjoying outdoor activities or going about your daily routine, keeping an eye on the UV Index can help you stay safe and maintain healthy skin.
As the sun rises, the UV Index gradually climbs, starting at a modest 1 at 7:00 AM and reaching an energetic 2 by 8:00 AM. The intensity escalates quickly, peaking at a robust 10 between 12:00 PM and 1:00 PM—the ideal time to take extra sun safety precautions! By 2:00 PM, the index begins its gentle decline, settling to 9 at 2:00 PM, and gradually tapering off to a more manageable 3 by 5:00 PM. As evening approaches, the index dwindles to 1 by 6:00 PM, allowing for a calm end to the day. Remember, during peak hours, it’s crucial to protect your skin to enjoy the sunshine safely!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV Index levels exhibit significant seasonal variations, with the highest exposure occurring between March and June. During this period, the index peaks at 11, categorized as extreme, in both May and June, indicating a burn time of only 10 minutes for unprotected skin. Consequently, March and April present very high risk levels, with a UV Index of 9-10 and a burn time of just 15 minutes. The summer months of July and August also remain high, with the UV Index at 10 and 9 respectively, emphasizing the need for precaution. Visitors and residents should take extra care during high-risk months (March to June) by seeking shade, wearing protective clothing, and applying sunscreen regularly. As the year progresses into the fall and winter months, the UV Index decreases, with levels returning to moderate by November and December, allowing for safer outdoor activities during those times.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dezful | 4 | 6 | 9 | 10 | 11 | 11 | 10 | 9 | 9 | 7 | 5 | 4 |
| 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 |