Last updated: July 2, 2025
Understanding the UV Index in Roshtkhvar, Iran is essential for protecting your skin and overall health. As UV levels can fluctuate significantly throughout the day, being aware of these changes helps prevent sunburn and long-term skin damage. With the region's BSk climate characterized by intense sun exposure, especially during peak hours, Roshtkhvar residents and visitors face heightened risks of UV-related issues. From 10:00 AM to 2:00 PM, the UV Index soars to critical levels, emphasizing the importance of sun safety measures. Stay informed and enjoy the sun responsibly!
At dawn, the UV Index begins at a modest level of 2 by 7:00 AM, gradually climbing as the morning progresses. By 9:00 AM, it reaches a more moderate 7, before peaking at an intense 12 from 11:00 AM to 1:00 PM. This midday sun poses significant UV risks, urging sun safety measures for those outdoors. As the afternoon unfolds, the index dips to 9 at 2:00 PM, then steadily declines, hitting 4 by 4:00 PM and dropping further to 1 by the evening hours. The transition from morning to afternoon showcases the sun's powerful influence, emphasizing the importance of sun protection during peak hours.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 9 | 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 |
The UV Index demonstrates significant seasonal variation, peaking during the warmer months from March through August, where values reach extreme levels (UV Index 10-12), particularly in May, June, and July. During these months, the burn time shortens to as little as 10 minutes, indicating a heightened risk of skin damage from sun exposure. High-risk months include March, April, May, June, July, and August, all marked by very high to extreme UV indices. Residents and visitors should take necessary precautions, such as wearing sunscreen, protective clothing, and seeking shade, especially during peak sun hours to reduce the risk of sunburn and long-term skin damage. As the index decreases in the fall and winter months, November and December present lower risks, with moderate levels and longer burn times of 30 minutes. Nonetheless, it is advisable to remain vigilant and protect the skin during all months of the year.
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 |
| Roshtkhvar | 4 | 6 | 9 | 10 | 12 | 12 | 12 | 11 | 10 | 8 | 5 | 4 |
| Isfahan UVI | 5 | 7 | 10 | 10 | 13 | 13 | 12 | 11 | 10 | 9 | 6 | 4 |