Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Arzu'iyeh, Iran, as it serves as a vital indicator of solar radiation exposure that can significantly impact skin health. With its BWh climate, known for hot and dry conditions, the risk of sunburn and long-term skin damage can be heightened during peak UV hours. During midday, the UV Index peaks at 13, signaling that precautions are essential for sun safety. By staying informed about local UV levels, you can effectively protect yourself and your loved ones from harmful effects of the sun, promoting healthier skin and a more enjoyable outdoor experience.
The UV Index presents a vibrant dance of intensity throughout the day. Starting at a mild 2 by 7:00 AM, the index gradually climbs, hitting a moderate 3 by 8:00 AM. As the sun ascends higher, the UV intensity spikes dramatically, reaching its peak at 12:00 PM with a striking 13. This marks the most hazardous period, urging outdoor enthusiasts to take precautions. Following noon, the UV Index begins to taper off; it drops to 10 by 2:00 PM, then gracefully declines to a more manageable 2 by 5:00 PM. As the day winds down, the UV Index settles at a gentle 1 by 7:00 PM, making for safer evening activities. Whether basking in midday sunlight or enjoying a twilight stroll, awareness of these UV changes ensures safe outdoor enjoyment.
| 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 | 9 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 10 | 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 index levels fluctuate significantly, with the high-risk months typically spanning from February to September. The peak occurs in May and July, where the UV Index reaches 14 (extreme), indicating a burn time of just 10 minutes for unprotected skin. March and April also present extreme levels at 12. As the year progresses, the UV Index gradually decreases, reaching lower, yet still notable levels of 8 in October and high values of 6 in January and December. Visitors and residents are advised to take caution during these high-risk months: seek shade, wear protective clothing, and apply broad-spectrum sunscreen to minimize the risk of harmful UV exposure.
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 |
| Arzu'iyeh | 6 | 8 | 12 | 12 | 14 | 13 | 14 | 12 | 11 | 9 | 7 | 6 |