Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Shadegan, Iran, where the intense BWh climate brings significant sun exposure throughout the year. With UV levels peaking at 11 during midday, it’s vital to comprehend these readings to prevent sunburn and safeguard skin health. As you navigate the sun-drenched streets of Shadegan, knowing when and how to protect yourself from harmful UV rays can make a notable difference in your well-being, allowing you to enjoy the vibrant outdoors while minimizing risks associated with prolonged sun exposure.
The UV Index throughout the day reveals a fascinating journey of intensity. Starting off mellow at 07:00 with a UV Index of 1, the day gradually warms up as the sun climbs higher, reaching a peak of 11 by 12:00 and 13:00. This is the critical period where protection from the sun becomes essential, as the UV rays are at their strongest. Following this zenith, the index begins to decline, dropping to 10 at 14:00, then gradually tapering off to 7 by 15:00. As the afternoon fades, it cools down again to 4 at 16:00 and settles back to a gentle 2 by 17:00. By 18:00, it’s a mere 1, marking the close of a day that highlighted the sun's powerful rays. Always remember, during those peak hours, a little extra sun protection goes a long way!
| 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 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 11 | 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 | 1 | low | 45 min |
Throughout the year, seasonal UV changes reveal significant fluctuations in the UV Index, with the highest levels occurring in the late spring and summer months. The months of April through August are particularly high-risk periods, characterized by very high to extreme exposure categories; notably, May and June peak at a UV Index of 11, meaning the burn time can be as short as 10 minutes. Residents and visitors are advised to take precautionary measures during these months, such as wearing sunscreen, protective clothing, and sunglasses, and limiting outdoor activities during peak sun hours. Conversely, January, November, and December present a lower risk with a moderate UV Index, allowing for a more relaxed approach to sun exposure.
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 |
| Shadegan | 5 | 6 | 9 | 10 | 11 | 11 | 10 | 9 | 9 | 7 | 5 | 4 |
| 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 |