Last updated: May 3, 2025
In Kalaleh, Iran, awareness of the UV Index is crucial for anyone who enjoys the sun. Understanding UV levels is essential not only for preventing sunburn but also for maintaining long-term skin health. With the city's BSk climate—characterized by hot summers—residents and visitors face significant risks from midday sun exposure. For instance, during peak hours, the UV Index can soar to an alarming 11, indicating a very high risk of harm from unprotected sun exposure. Being informed and taking necessary precautions can help you enjoy the sunny days in Kalaleh while protecting your skin from potential damage.
The UV Index throughout the day reveals a striking pattern of sun exposure. Starting at 7:00 AM, the index registers a modest 2, gradually rising to 3 at 8:00 AM. As the sun climbs higher, the index surges to 6 by 9:00 AM and peaks impressively at 11:00 AM with a notable 10. The zenith of solar intensity occurs at 12:00 PM, reaching a high of 11—a clear reminder of the sun’s strength. The afternoon sees a slight decline, with values at 10 at 1:00 PM and dropping to 9 by 2:00 PM. As the day winds down, the UV Index dips to 6 at 3:00 PM, further decreasing to 4 at 4:00 PM. By 5:00 PM, it sinks to 2 and finally settles at a low of 1 by 6:00 PM, marking the end of a day filled with fluctuating UV exposure.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 6 | 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 |
As the year progresses, UV exposure levels undergo significant seasonal changes, marking March through August as high-risk months due to very high to extreme UV Index ratings. In March, the UV increases to 8, with a burn time of only 15 minutes, and peaks in May, June, and July at an extreme UV Index of 11, necessitating a burn time of just 10 minutes. Visitors and residents should take precautions during these months, such as wearing sunscreen, protective clothing, and seeking shade, especially when UV levels are at their highest between 10 a.m. and 4 p.m.. As fall approaches, UV levels begin to taper off, but October still presents a high risk with an index of 6. Throughout the year, particularly from March to August, it is crucial to remain vigilant about sun protection to minimize the risk of skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kalaleh | 3 | 5 | 8 | 9 | 11 | 11 | 11 | 10 | 9 | 6 | 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 |