Last updated: May 3, 2025
In Khalkhal, Iran, being aware of the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels is essential, particularly for preventing sunburn and reducing long-term damage like skin cancer. With Khalkhal's Dsb climate, characterized by varying weather patterns, UV exposure can be particularly intense, peaking at a high UV Index of 12 during midday hours. This emphasizes the need for residents and visitors to stay informed and take protective measures against harmful rays, especially when outdoors between 10 AM and 2 PM.
The UV Index fluctuates throughout the day, painting a vivid picture of solar intensity. Starting from a gentle 1 at 07:00, the sun steadily rises, and by 08:00, it reaches a moderate 3. The real heat kicks in around 09:00, hitting 5, and by 10:00, it surges to 8, signaling a call to protect your skin. The peak intensity occurs at 12:00 and 13:00, where it climbs to a striking 12, highlighting the need for sunscreen and shade. As the afternoon progresses, the levels begin to decline, dropping to 11 by 14:00, then tapering off to 8 at 15:00, before easing back to 5 at 16:00. As the day dims, the UV Index falls to 3 by 17:00 and settles back to 1 by 18:00 and 19:00. Stay sun-smart during these peak hours to enjoy the outdoors safely!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 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 |
The UV Index shows significant seasonal changes, with the highest values occurring from March to August. High-risk months for UV exposure are March to June, where the index reaches extreme levels of 12, indicating a burn time of just 10 minutes. Visitors and residents should take special care during these months, wearing protective clothing, applying sunscreen regularly, and seeking shade during peak hours. In contrast, the UV levels drop considerably from October to February, with moderate values, allowing for longer safe exposure times but still warranting caution. It's essential to stay informed about the UV index year-round and adapt sun safety practices accordingly.
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 |
| Khalkhal | 4 | 6 | 10 | 9 | 12 | 12 | 11 | 11 | 9 | 7 | 4 | 3 |
| Isfahan UVI | 5 | 7 | 10 | 10 | 13 | 13 | 12 | 11 | 10 | 9 | 6 | 4 |