Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of Eshtehard, Iran, especially given its warm Csa climate, where sun exposure can lead to significant health risks. Keeping track of UV levels is essential for preventing sunburn and promoting long-term skin health. Throughout the day, sunlight intensity rises, peaking between 12:00 PM and 1:00 PM with a dangerous index of 13, underscoring the need for awareness and protection during these hours. By understanding the UV Index, Eshtehard’s inhabitants can take proactive measures to safeguard their skin while enjoying the outdoors.
As the sun rises, the UV Index begins its ascent, peaking at an impressive 13 between 12:00 PM and 1:00 PM, signaling a high risk of harm from unprotected sun exposure. Early risers are greeted with a moderate level of 1 at 7:00 AM, but by 10:00 AM, the intensity ramps up to 9. The index stays strong through midday, hitting its maximum of 11 at 11:00 AM before stabilizing at 13 for two hours. As the afternoon progresses, it gradually declines, dropping to 8 by 3:00 PM and winding down to a safer 1 as the sun sets at 6:00 PM. This data underscores the critical importance of sun protection during peak hours to stay safe under the radiant sun.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | 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 | 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, the UV Index experiences notable fluctuations, peaking during the late spring and summer months. High-risk months include May through August, with the UV Index reaching extreme levels of 13 in May and 12 in June. During this period, the recommended burn time is as little as 10 minutes, underscoring the urgency of sun protection. As the summer fades into early fall, UV levels remain elevated until September, when they drop slightly to a very high level of 10. In contrast, the cooler months from October to December see a return to moderate exposure categories, with burn times stabilizing around 30 minutes. Visitors and residents are strongly advised to take extra precautions, especially between March and September, by wearing protective clothing, applying sunscreen, and seeking shade during peak sun hours to reduce skin damage risk.
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 |
| Eshtehard | 5 | 5 | 8 | 9 | 13 | 12 | 11 | 10 | 10 | 7 | 4 | 4 |
| 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 |