Last updated: May 3, 2025
Understanding the UV Index is essential for residents of Chadegan, Iran, where sunny days are frequent and the risk of harmful UV exposure can be significant. With UV levels peaking at a notable 14 during midday, awareness can play a crucial role in preventing sunburn and protecting skin health. As a city characterized by a Csa climate, Chadegan experiences high UV intensity, particularly in the summer months. Being informed about daily UV levels enables you to enjoy outdoor activities safely while safeguarding your skin from long-term damage. Stay savvy about the UV Index to ensure your sun-filled adventures are both fun and safe!
As the sun rises, the UV Index begins at a mild 1 at 07:00, making it a great time for early risers to enjoy the outdoors safely. By 08:00, it climbs to 3, suggesting light sun protection. The intensity ramps up significantly, peaking at 14 around 12:00, indicating very high risk of harm from unprotected sun exposure. Hours 11:00 through 13:00 are crucial for sun safety, with readings of 12 and 13, respectively. As the afternoon wanes, the index gradually decreases, falling to 5 by 16:00 and dropping further by 17:00 to 3. Finally, as dusk approaches, the UV Index returns to a low 1 by 18:00 and 19:00, allowing for a safer evening stroll. Remember, during peak hours, it's important to seek shade and wear sunscreen!
| 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 | 12 | extreme | 10 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 9 | very high | 15 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 |
Throughout the year, the UV Index exhibits notable seasonal changes, peaking during the summer months. January and February start with a high UV Index of 6 and 7, respectively, allowing for a burn time of 25 minutes. As spring approaches, March and April see an alarming rise to an extreme category of 11, reducing safe exposure to just 10 minutes. The peak occurs in May and June with a UV Index of 14, where it remains in the extreme range, demanding even caution in outdoor activities. July and August slightly decrease to 13 and 12, but remain critical, while September returns to an 11. The threat tapers off in October with a very high rating of 9 (15-minute burn time), before dropping significantly in November (6) and December (5), aligning with high and moderate exposure categories. Visitors and residents should exercise particular caution from March through October, minimizing sun exposure, wearing protective clothing, using sunscreen, and seeking shade, especially during peak hours to reduce 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 |
| Chadegan | 6 | 7 | 11 | 11 | 14 | 14 | 13 | 12 | 11 | 9 | 6 | 5 |