Last updated: July 2, 2025
Understanding the UV Index in Yasuj, Iran is crucial for maintaining skin health and preventing sunburn. With the region's BSk climate, which features hot summers and dry conditions, residents and visitors alike face heightened risks of harmful UV exposure, especially during peak hours. Knowing the UV levels can help you make informed decisions about sun protection. For instance, during midday, the UV Index can soar to dangerous levels of 11 to 13, signaling the need for extra precaution. Stay sun safe by staying informed and protecting your skin!
During a typical day, the UV Index experiences a dramatic rise starting early in the morning. At 07:00, it registers a mere 1, suggesting minimal risk of harm from unprotected sun exposure. However, as the clock advances, the index steadily climbs, reaching 8 by 10:00 and peaking at a striking 13 between 12:00 and 13:00. This high reading marks a very high risk, urging everyone to seek shade and don protective clothing. As the afternoon wanes, the index gradually descends, dropping to 9 by 15:00 and tapering off to 1 once again by 19:00. This data reflects the critical nature of midday sun exposure, emphasizing the importance of sun safety during peak hours.
| 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 | 11 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 9 | 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 |
Throughout the year, UV Index levels vary significantly, with the highest values occurring from March to August, peaking at 14 in May and June, categorizing these months as having an extreme exposure risk. The most critical months for UV exposure are February through August, where the burn time drastically decreases to 10 minutes during peak periods. Conversely, January, November, and December see lower UV Index readings, categorized as high with longer burn times of 25 minutes. Visitors and residents are advised to take necessary precautions such as wearing sunscreen, protective clothing, and seeking shade during peak UV hours, especially in the high-risk months from February to August.
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 |
| Yasuj | 7 | 9 | 12 | 12 | 14 | 14 | 13 | 12 | 11 | 10 | 7 | 6 |