Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Khorramabad, Iran, where the climate is characterized by warm summers and moderate winters. With UV levels reaching a maximum of 13 during the peak hours of sunlight, awareness of these values is essential for effective sunburn prevention and maintaining skin health. High UV exposure can lead to serious skin issues, making it important for individuals to protect themselves during the hottest parts of the day. Given Khorramabad's typical climate conditions, knowing when to take precautions can make all the difference in enjoying the outdoors safely. Stay informed and safeguard your skin!
Starting off the day at a modest UV Index of 1 at 7:00 AM, the sun’s intensity climbs steadily as the morning progresses. By 8:00 AM, it reaches 3, and by 9:00 AM, it hits 5, signaling the approach of midday. The peak of the UV Index occurs at 12:00 PM with a blistering 13, maintaining this level until 1:00 PM. A gradual decline follows, as the index drops to 12 by 2:00 PM, then recedes to 9 by 3:00 PM. The sun's rays continue to soften, fading to 6 at 4:00 PM, then to 3 at 5:00 PM. As evening approaches, the UV Index dwindles to 2 by 6:00 PM and finally returns to a safe 1 at 7:00 PM. Enjoy the sun, but remember to stay protected during those 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 | 8 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index varies significantly, with peak levels observed during the warmer months. From March to August, the UV Index reaches its highest points, notably hitting 13 in May and June, which indicates extreme exposure levels and a burn time of just 10 minutes. The months of March, April, September, and October follow with very high indexes of 9 to 10, while January and February experience a high exposure level with an index of 6 to 7. The risk of UV exposure is notably elevated from March to October, making these months high-risk for sunburn. Residents and visitors are advised to take precautionary measures, such as wearing sunscreen, protective clothing, and seeking shade, especially during the peak hours of sunlight. In contrast, November and December see a drop in UV levels, classified as moderate, with longer burn times of 30 minutes, allowing for safer outdoor activities during these months.
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 |
| Khorramabad | 6 | 7 | 9 | 10 | 13 | 13 | 12 | 11 | 10 | 8 | 5 | 5 |
| Isfahan UVI | 5 | 7 | 10 | 10 | 13 | 13 | 12 | 11 | 10 | 9 | 6 | 4 |