Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Chelgard, Iran, especially given its classified Dsa climate which brings intense sunlight and elevated UV exposure risks. Monitoring UV levels is vital for preventing sunburns and maintaining long-term skin health, as even short periods of high UV exposure can lead to serious skin damage. With UV Index values peaking at 14 during midday hours, locals must take proactive measures to protect themselves from harmful rays, especially during the sun's zenith. Stay informed and safeguard your skin for a healthier, sun-smart lifestyle!
As the sun rises, the UV Index (UVI) begins its gentle ascent, starting at a mild 1 at 07:00. By 08:00, it ramps up to 3, signaling the need for caution. The sun’s intensity reaches its peak between 11:00 and 13:00, soaring to a blistering 12 and 14, respectively—ideal moments to seek shade or lather up with sunscreen. As the afternoon progresses, the index gradually dips, descending to 9 by 15:00, then tapering off to 6 at 16:00. By the evening, from 17:00 onward, the UVI returns to its gentle morning levels of 3 and finally 1 at 18:00 and 19:00, concluding the day on a decidedly safer note. Keep in mind, the midday hours are crucial for sun safety!
| 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 | 14 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Seasonal UV changes reveal a significant increase in UV Index levels from January through May, peaking at 14 in both May and June, indicating an extreme exposure risk with a burn time of just 10 minutes. The summer months of July and August also retain a high risk, with UV Index values of 13 and 12, respectively. As the year progresses, there is a gradual decrease, with October experiencing a UV Index of 9 (very high), and levels settling at 6 in November and 5 in December, the latter categorized as moderate. Visitors and residents should take precautionary measures during the high-risk months of February through September, ensuring proper sun protection such as wearing sunscreen, hats, and protective clothing, and seeking shade during peak hours 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 |
| 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 |
| Chelgard | 7 | 9 | 13 | 11 | 14 | 14 | 13 | 12 | 11 | 9 | 6 | 5 |