Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Masjed Soleyman, Iran, where the sun shines brightly in a BSh climate characterized by hot, arid conditions. With UV levels reaching a peak of 11 during midday hours, awareness of these fluctuations is essential for protecting your skin from harmful sun exposure and preventing painful sunburns. As the temperature rises, so does the risk of skin damage, making it vital to stay informed about UV Index readings to ensure safety and promote long-term skin health. Whether you're enjoying outdoor activities or simply basking in the sun, being aware of the UV Index helps you take the necessary precautions against harmful rays.
At dawn, the UV Index begins its ascent with a mild 1 at 7:00 AM, gradually increasing to a moderate 2 by 8:00 AM. As the sun climbs higher, it reaches a noteworthy 5 at 9:00 AM, but the real intensity hits at 10:00 AM with a strong 7. By 11:00 AM, the UV levels soar to a peak of 10, continuing at an impressive 11 from 12:00 PM to 1:00 PM—the highest of the day. After this midday intensity, the numbers begin to wane, dropping to 10 at 2:00 PM, then to 8 at 3:00 PM. The afternoon cools off slightly, falling to 5 by 4:00 PM, and ultimately settling back to 3 by 5:00 PM. As the day draws to a close, the UV Index gently slips to 1 by 6:00 PM, and remains there until 7:00 PM, indicating a safe return to evening activities.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 5 | 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 | 8 | 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 |
As the seasons change, so do the levels of ultraviolet (UV) radiation, significantly affecting both residents and visitors. From January to March, the UV Index begins to rise from 5 to a peak of 9, indicating a transition to very high levels, with the shortest burn times occurring in March and April at just 15 minutes. The summer months of May through July are particularly concerning, with UV Index readings reaching as high as 12, classified as extreme, where unprotected skin can burn in as little as 10 minutes. As summer wanes, August and September still exhibit very high UV levels, though slightly reduced, creating an ongoing risk. By October, the UV Index decreases to 7, but caution is still needed as exposure can lead to sunburn in 25 minutes. The winter months see a significant drop, with January and November returning to a moderate level. It is essential for everyone to stay informed about these seasonal changes, always applying sunscreen, wearing protective clothing, and seeking shade during peak hours, particularly from March through September, 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 |
| Masjed Soleyman | 5 | 6 | 9 | 10 | 12 | 11 | 11 | 10 | 9 | 7 | 5 | 4 |
| 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 |