Last updated: July 2, 2025
Understanding the UV Index in Istgah-e Rah Ahan-e Garmsar, Iran is essential for maintaining skin health and preventing sunburn. With its BSk climate characterized by hot summers and dry conditions, the region experiences varying UV levels throughout the day, peaking at an alarming 11 around noon. Awareness of these UV levels not only helps residents and visitors protect their skin but also ensures a safer and more enjoyable outdoor experience. As the sun's rays can be especially intense between 10 AM and 2 PM, keeping an eye on the UV Index becomes a vital step in safeguarding your health against potential harmful effects of sun exposure.
The UV Index throughout the day showcases a dramatic rise and fall that is vital for sun safety. Starting at 07:00, it begins with a low reading of 1, but by 08:00, it climbs to 3. The intensity peaks between 11:00 and 13:00, soaring to an impressive 11, indicating a significant risk for harm without sun protection. As the afternoon progresses, the index starts to decline, dipping to 10 at 14:00, then falling further to 7 by 15:00. As evening approaches, the UV Index drops quickly, reaching a low of 1 by 18:00 and remaining there until 19:00. To enjoy the outdoors safely, be sure to slather on the sunscreen during that midday surge!
| 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 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 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 |
As the year progresses, seasonal UV changes reveal significant variations in the UV Index which directly impacts sun exposure risk. The high-risk months for sun exposure occur from March to August, where UV Index levels reach very high to extreme, particularly peaking in May at an index of 13. During these months, burn times drastically decrease, ranging from just 10 to 15 minutes, making it crucial for visitors and residents to take proper sun safety precautions. It's advisable to wear sunscreen, protective clothing, and seek shade during peak sunlight hours. As fall approaches, UV levels decrease, but caution should still be exercised, especially in October when the UV Index remains at a high level of 7. Overall, staying informed and vigilant about UV exposure can help ensure a safer outdoor experience year-round.
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 |
| Istgah-e Rah Ahan-e Garmsar | 4 | 5 | 9 | 9 | 13 | 12 | 11 | 10 | 10 | 7 | 5 | 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 |