Last updated: July 2, 2025
In Shahr-e Herat, Iran, staying informed about the UV Index is essential for safeguarding your skin and overall health. With the region's BSk climate, known for its dry and sunny conditions, understanding UV levels can help prevent sunburn and long-term skin damage. During peak hours, especially between 11:00 AM and 1:00 PM, UV Index values soar to 14, indicating a very high risk of harm from unprotected sun exposure. By being aware of these levels, residents and visitors can take proactive measures to protect themselves from the sun's harmful rays, ensuring a healthier outdoor experience in this vibrant city.
As the sun rises, the UV Index begins its gradual ascent, starting at a mild 1 by 07:00. By 08:00, it ramps up to 3, signaling a need for light protection. The day reaches its peak UV intensity at 12:00, soaring to 14—the highest level of concern for skin exposure. Between 10:00 and 13:00, the index remains dangerously high, with readings of 9 and 13 respectively. Following this crescendo, the UV levels gradually decline, dropping to 5 by 16:00, and further to 1 by 19:00, making late afternoon and evening safe for outdoor activities. Remember to stay protected during the midday sun when UV radiation is at its strongest!
| 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 | 12 | extreme | 10 min |
| 12:00 | 14 | 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 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV Index levels show significant variation, with the highest risk occurring from March through August, when the index peaks at 14 in May and July, indicating an extreme exposure category with a burn time of just 10 minutes. Residents and visitors should be particularly cautious during these months, taking protective measures such as wearing sunscreen, hats, and sunglasses when spending time outdoors. In January, February, October, and November, the UV Index ranges from 5 to 8, marking a moderate to very high risk, with burn times increasing to 25 minutes in January and November. As the year closes, the UV Index decreases, reaching its lowest at 5 in December. Regardless of the time of year, it's essential to stay informed and protect your skin from harmful UV rays.
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 |
| Shahr-e Herat | 6 | 8 | 12 | 12 | 14 | 13 | 14 | 12 | 12 | 10 | 7 | 5 |