Last updated: July 2, 2025
Understanding the UV Index in Sedeyen-e Yek, Iran, is crucial for safeguarding your skin health and preventing sunburn. With the region's BSh climate, residents and visitors are frequently exposed to varying UV levels, particularly peaking at 10 around midday when the risks are highest. Awareness of these fluctuations allows you to take necessary precautions, ensuring you enjoy the sunny days safely while minimizing the long-term effects of UV radiation. Stay informed to protect your skin from the sun's powerful rays!
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 |
The UV Index exhibits notable seasonal changes, peaking in the late spring and early summer months. From January (UV Index 5, moderate risk) to February (UV Index 6, high risk), the UV levels steadily increase. A significant rise occurs in March and April (both at UV Index 9, very high risk), leading to May and June, which boast an extreme UV Index of 11. The highest risk months are May and June, where the burn time is only 10 minutes. Although July and August see a slight decrease in index values (UV Index 10 and 9, respectively), the risk remains very high. As autumn approaches, UV levels gradually decline, with October seeing a UV Index of 7 (high risk), before returning to more moderate levels in November (5) and December (4). Visitors and residents are advised to take precautions, especially during the high-risk months of March through October. Wearing sunscreen, protective clothing, and seeking shade during peak sun hours can help minimize the harmful effects of UV exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| sedeyen-e Yek | 5 | 6 | 9 | 9 | 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 |