Last updated: June 2, 2025
Understanding the UV Index is essential for residents and visitors of Bajestan, Iran, where the BSh climate leads to intense sunlight and significant UV exposure throughout the year. Being aware of UV levels is crucial for preventing sunburn and maintaining long-term skin health, as even brief unprotected exposure can lead to damage. During peak hours, particularly between 10:00 AM and 1:00 PM, Bajestan can experience UV Index values exceeding 10, indicating a high risk of harm. Stay informed and take necessary precautions to enjoy the sun safely while protecting your skin from potential harm!
At dawn, the UV Index begins at a modest level of 2 by 7:00 AM, gradually climbing as the morning progresses. By 9:00 AM, it reaches a more moderate 7, before peaking at an intense 12 from 11:00 AM to 1:00 PM. This midday sun poses significant UV risks, urging sun safety measures for those outdoors. As the afternoon unfolds, the index dips to 9 at 2:00 PM, then steadily declines, hitting 4 by 4:00 PM and dropping further to 1 by the evening hours. The transition from morning to afternoon showcases the sun's powerful influence, emphasizing the importance of sun protection during peak hours.
| 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 | 10 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 9 | 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 levels fluctuate significantly, peaking during the late spring and summer months. High-risk months for UV exposure include March through August, where the UV Index reaches extreme levels, particularly in May and June with a UV Index of 13 and 12, respectively. During these peak months, individuals should limit sun exposure to 10 minutes, as this is the burn time for those with fair skin. The UV Index tapers off in the fall and winter months, with January and December marking the lowest levels at 4, categorized as moderate, allowing for a safer exposure time of 30 minutes. It is crucial for both visitors and residents to remain vigilant during high UV periods by wearing protective clothing, applying sunscreen, and seeking shade to reduce the risk of harmful effects from UV radiation.
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 |
| Bajestan | 4 | 6 | 10 | 10 | 13 | 12 | 12 | 11 | 10 | 8 | 5 | 4 |
| Isfahan UVI | 5 | 7 | 10 | 10 | 13 | 13 | 12 | 11 | 10 | 9 | 6 | 4 |