Last updated: July 2, 2025
Understanding the UV Index is crucial for the residents of Zarrin Shahr, Iran, where the BSk climate often leads to significant sun exposure. As UV levels can reach a peak of 12 around midday, awareness of these values is essential for preventing sunburn and safeguarding skin health. This knowledge empowers individuals to take necessary precautions, ensuring that outdoor activities are enjoyable and safe. With the intensity of UV radiation varying throughout the day, knowing when to seek shade or apply sunscreen can make all the difference in protecting your skin from potential damage. Stay informed to enjoy Zarrin Shahr's sunny days responsibly!
Experience a sunny day with fluctuating UV Index levels! Starting from a gentle 1 at 07:00, the intensity gradually climbs to reach a peak of 12 at both 12:00 and 13:00. As the sun rises higher, the UV Index hits a striking 11 at 11:00 and 14:00, indicating a need for protective measures. After 15:00, the levels start to decline, dropping to 5 by 16:00 and returning to a mild 1 by 18:00. Plan your outdoor activities wisely and remember, from 10:00 to 14:00, the sun's rays are at their strongest!
| 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 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 8 | 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 show significant seasonal variations, with high-risk months primarily occurring from March to September. During this period, the index peaks at 13, reaching extreme levels in May, June, July, and August, where the recommended burn time drops to just 10 minutes. Residents and visitors should be particularly vigilant during these months, proactively seeking shade, wearing protective clothing, and applying sunscreen frequently. The UV index begins to decrease in October, but remains at a very high level of 9, so caution is still advised. By November and December, the index falls to 6 and 4, categorizing it as high and moderate respectively, allowing for slightly longer exposure times without immediate risk. It’s essential to stay informed and adjust outdoor activities accordingly to minimize UV-related health risks.
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 |
| Zarrin Shahr | 5 | 7 | 10 | 11 | 13 | 13 | 12 | 12 | 11 | 9 | 6 | 4 |