Last updated: June 2, 2025
In Shahr-e Herat, Iran, being aware of the UV Index is crucial for safeguarding your skin against harmful sun exposure. Understanding UV levels not only helps in preventing sunburn but also plays a key role in maintaining long-term skin health. With a typical BSk climate characterized by intense summers, residents and visitors should be particularly mindful of high UV ratings, especially around midday when levels may reach a staggering 13. Familiarizing yourself with these levels empowers you to enjoy the sunny days while protecting your skin from potential damage.
Throughout the day, the UV Index reveals a dynamic pattern of sun exposure. Starting at 07:00, the index begins modestly at 2, gradually climbing through the morning. By 10:00, it peaks dramatically at 9, reaching a striking 12 at 11:00. The intensity continues to surge, hitting a maximum of 13 at 12:00 and maintaining this high until 13:00. As the afternoon unfolds, the index declines steadily: dropping to 11 at 14:00, then to 8 by 15:00. The later hours see a significant decrease, falling to 5 at 16:00 and settling back down to 2 at 17:00. As the sun sets, the index diminishes to 1 by 18:00 and remains steady through the night hours. This data highlights the critical need for sun protection during peak hours, especially between 10:00 and 13:00.
| 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 | 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 |