Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Kashan, Iran, where the sun shines brightly in a semi-arid climate. With peak UV levels reaching as high as 12 during midday, awareness of UV exposure is essential for preventing sunburn and protecting skin health. By monitoring the UV Index daily, you can take proactive measures to shield yourself from harmful rays, especially between 10 AM and 2 PM when the risk is most significant. Stay informed and enjoy your time under the sun in beautiful Kashan while keeping your skin safe!
Beginning at 7:00 AM, the UV Index starts low at 1, but it quickly gains momentum as the sun rises. By 9:00 AM, it escalates to a moderate 6, marking the beginning of peak sun intensity. The afternoon hours are particularly intense, with the UV Index soaring to its highest point of 12 by 12:00 PM and maintaining that level until 1:00 PM. As the day progresses, the index gradually tapers off, dipping to 10 at 2:00 PM, and descending further to 5 by 4:00 PM. As evening approaches, the values drop back to 1 by 6:00 PM, signaling a retreat from the sun's strongest rays. Stay mindful of sun safety, especially during those peak hours when the UV Index reaches its zenith!
| 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 | 8 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 10 | very high | 15 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, UV exposure levels exhibit significant seasonal changes, with high-risk months primarily occurring from March to August. During this period, the UV Index peaks at 13 in May, indicating an extreme risk of harm from unprotected sun exposure, with a swift burn time of just 10 minutes. February's UV Index reaches 6 (high), and both September (10) and October (7) follow with very high to high categories, requiring caution as well. Residents and visitors should be vigilant, especially from March to August; it’s advisable to wear protective clothing, apply broad-spectrum sunscreen regularly, and seek shade during peak hours (10 a.m. to 4 p.m.) to minimize the risk of skin damage. For months like January, November, and December, while UV levels are moderate (4-5), protection is still recommended for prolonged sun exposure.
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 |
| Kashan | 4 | 6 | 9 | 9 | 13 | 12 | 12 | 11 | 10 | 7 | 5 | 4 |
| Isfahan UVI | 5 | 7 | 10 | 10 | 13 | 13 | 12 | 11 | 10 | 9 | 6 | 4 |