Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Sardasht, Iran, where the BWh climate is characterized by hot summers and abundant sunshine. With UV levels peaking at a staggering 13 between noon and 1 PM, awareness of UV intensity is essential for protecting your skin from harmful sun exposure. High UV levels can lead to sunburn and increase the risk of skin cancer, making it vital to stay informed about daily fluctuations in UV radiation. By monitoring these levels, you can take proactive measures to ensure skin health, enjoy outdoor activities safely, and fully embrace the beauty of Sardasht while minimizing risk!
The UV Index throughout the day reveals striking fluctuations, peaking at a blistering 13 at noon. Starting under gentle conditions at 07:00 with a maximum of 1, the UV intensity gradually climbs, hitting 3 by 08:00. As the sun ascends, it reaches 6 at 09:00 and skyrockets to 11 by 11:00, warning sun seekers to take precautions. The pinnacle occurs at 12:00, where a relentless 13 signals the need for protective measures. The index then begins a steady decline, dipping to 12 by 13:00, before descending further to 10 at 14:00, and tapering off to 4 by 16:00. As twilight approaches, the UV levels fall swiftly, reaching a safe 0 by 19:00, reminding us of the sun's fleeting power and the importance of sun safety during those peak hours.
| 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 | 11 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 12 | 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 | 0 | low | 45 min |
Throughout the year, UV levels exhibit significant seasonal changes. January starts with a UV Index of 7 (high), indicating a burn time of 25 minutes. As we move into February, the index rises to 8 (very high), reducing safe exposure to just 15 minutes. The spring months of March and April reach an extreme UV Index of 12, necessitating a burn time of only 10 minutes. May and July peak at 13, with the same critical exposure time. During the summer, the extreme conditions persist through August and September before tapering in October to a UV Index of 9 (very high). As the year closes, November and December see a return to lower UV levels (7 and 6 respectively), extending burn time back to 25 minutes. Therefore, visitors and residents should exercise caution from February to September—especially in the spring and summer months—by wearing protective clothing, applying sunscreen regularly, and limiting sun exposure during peak hours to minimize the risk of 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 |
| Sardasht | 7 | 8 | 12 | 12 | 13 | 12 | 13 | 12 | 12 | 9 | 7 | 6 |