Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Fereydunshahr, Iran, where the Dsa climate can lead to significant sun exposure. With peak UV levels often reaching 13 around midday, awareness of these daily fluctuations is essential for sunburn prevention and maintaining long-term skin health. By understanding the UV levels, you can enjoy the beautiful outdoors while taking necessary precautions. This is especially important in Fereydunshahr, where the sunny climate can elevate your risk of UV-related skin damage if protective measures are overlooked. Stay informed and safeguard your skin from the sun's potent rays!
As the sun rises, the UV Index begins its climb, starting at a gentle 1 at 07:00. By 08:00, it ticks up to 3, signaling a need for light sun protection. The intensity escalates sharply, peaking at an intense 13 by 12:00 and 13:00, making midday the most hazardous time for unprotected skin. Thankfully, as the afternoon cools, the index gradually declines, dropping to 9 at 15:00 and further to 6 by 16:00. After a gradual descent, it settles back to a safe 1 by 18:00 and 19:00, signaling the end of a day spent under the sun. Remember, when the UV Index reaches critical levels, it’s essential to take precautions to protect your skin!
| 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 | 11 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index exhibits significant seasonal changes, with the highest levels occurring from March to October, where values frequently reach the extreme category. Notably, May and June peak at UV Index 14, marking them as the most critical months for sun exposure. Visitors and residents should exercise caution, particularly during February through September, as these months are classified as high-risk for skin damage, with burn times as short as 10 minutes under direct sunlight during peak hours. It is advisable to wear sunscreen, protective clothing, and seek shade during the peak UV times to reduce the risk of harmful exposure. Even in the lower UV months of November and December, where the burn time increases to 25-30 minutes, it remains important to stay sun-smart.
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 |
| Fereydunshahr | 7 | 9 | 11 | 11 | 14 | 14 | 13 | 12 | 11 | 9 | 6 | 5 |