Last updated: July 2, 2025
Awareness of the UV Index is crucial for residents and visitors of Shirvan, Iran, as it can significantly impact skin health and overall well-being. Understanding UV levels is essential not just for preventing painful sunburns but also for reducing the risk of long-term skin damage. Shirvan's Mediterranean climate features sunny summers, making it imperative to stay informed about the UV exposure risks, especially when the index peaks at 12 during midday hours. By keeping an eye on the UV Index, you can enjoy the sun safely while protecting your skin from harmful rays.
The UV Index shows a dramatic rise in intensity throughout the morning, starting from a mild 2 at 7:00 AM. As the sun climbs higher, it peaks at a powerful 12 between 12:00 PM and 1:00 PM, signalling a critical time for sun safety. After this peak, the index gradually declines, dropping to 7 at 3:00 PM and continuing down to 1 by 7:00 PM. Overall, this hourly data highlights the importance of seeking shade and applying sunscreen during the midday hours when the risk of UV exposure is at its highest.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 2 | low | 45 min |
08:00 | 4 | moderate | 30 min |
09:00 | 7 | high | 25 min |
10:00 | 9 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 12 | 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 | 1 | low | 45 min |
Throughout the year, UV Index levels fluctuate significantly, peaking during the warmer months. From March to August, the index reaches very high to extreme levels, with March starting at 9 and climbing to 12 in May, June, and July. The high-risk months for UV exposure are April to August, during which the recommended burn time is as little as 10 to 15 minutes. Visitors and residents are strongly advised to take precautions during these months, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade, especially during midday hours. As the year progresses toward October and November, the UV Index decreases, shifting to moderate levels, allowing for safer sun exposure with burn times of 25 to 30 minutes.
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 |
Shirvan | 4 | 5 | 9 | 10 | 12 | 12 | 12 | 11 | 10 | 7 | 4 | 3 |
Isfahan UVI | 5 | 7 | 10 | 10 | 13 | 13 | 12 | 11 | 10 | 9 | 6 | 4 |