Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Bonab, Iran, where the climate can pose significant risks due to its distinct BSk (semi-arid) characteristics. The UV levels in Bonab can soar to dangerous heights, reaching a peak of 12 during the hottest hours of the day. Awareness of the UV Index is vital for preventing sunburn and safeguarding skin health, particularly given the intense midday sun. By staying informed about UV exposure risks, you can better protect yourself and your family from potential harm, ensuring vibrant health and enjoyment of the sunny days Bonab is known for.
The UV Index demonstrates a striking rise as the day unfolds, peaking between 12:00 PM and 1:00 PM with a blistering 12. Early risers enjoy relatively low levels, starting at 1 at 7:00 AM and climbing to 2 by 8:00 AM. As the sun reaches its zenith, UV levels spike dramatically, hitting 10 at 11:00 AM and reaching peak intensity at 12:00 PM. The afternoon offers a gradual decline, with values waning to 9 by 3:00 PM and easing further to 4 at 5:00 PM. As daylight wanes, the index drops to a gentle 2 by 6:00 PM, and finally retreats to a soothing 1 by 7:00 PM, showcasing the importance of midday sun safety while enjoying outdoor activities.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index shows significant seasonal changes, with high-risk months for UV exposure primarily occurring from March to August. During this period, the UV Index escalates from a moderate level of 8 in March to an extreme high of 12 in May and June, providing a burn time as short as 10 minutes. In contrast, January and December demonstrate lower UV levels, categorized as moderate, allowing for longer safe exposure times of 30 minutes. Visitors and residents should take extra precautions from March to August by wearing protective clothing, applying sunscreen, and seeking shade to minimize the risk of UV-related harm during these months of high intensity. As the UV Index decreases in the fall and winter, exposure remains necessary, but the risk is markedly reduced.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bonab | 4 | 5 | 8 | 9 | 12 | 12 | 11 | 10 | 9 | 7 | 4 | 3 |
| 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 |