Last updated: July 2, 2025
In Khorramshahr, Iran, understanding the UV Index is vital for protecting your skin from harmful ultraviolet rays. The UV levels here can soar, peaking at a hazardous 11 around noon, signaling the need for awareness and prevention strategies to avoid sunburn and long-term skin damage. With a BWh climate, Khorramshahr experiences intense sunlight, making it essential to monitor UV exposure throughout the day. By staying informed about the UV Index, you can confidently enjoy the outdoors while safeguarding your skin's health.
The UV Index throughout the day showcases a dynamic range of sun exposure, peaking dramatically at 12:00 PM with a maximum index of 10. Early morning hours start gently, with a mere 1 at 07:00 AM gradually rising to a moderate 4 by 09:00 AM. As the sun climbs higher, the index escalates to 9 by 11:00 AM and hits its zenith of 11 at 1:00 PM, indicating a critical level of UV radiation. Following the peak, there’s a noticeable decline; by 15:00 PM, the index dips to 7, continuing to taper off to 3 by 5:00 PM, before settling back to 1 as the evening sets in. Be sure to protect your skin during those peak hours to enjoy the sunshine safely!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 7 | high | 25 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 |
During the year, the UV Index shows significant seasonal changes, with the highest readings occurring from March to August. This period marks the high-risk months for UV exposure, particularly in May, June, and July, when the UV Index peaks at 11, classifying it as extreme and reducing the safe burn time to just 10 minutes. As summer approaches, it’s crucial for both visitors and residents to take precautions, such as wearing protective clothing, applying sunscreen frequently, and seeking shade during peak hours, typically between 10 AM and 4 PM. Conversely, the months of January, November, and December present a lower UV Index, categorized as moderate, with burn times extending up to 30 minutes. Regardless of the season, it’s essential to remain vigilant about UV exposure to safeguard your skin health.
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 |
| Khorramshahr | 5 | 6 | 9 | 10 | 11 | 11 | 11 | 10 | 9 | 7 | 5 | 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 |