Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Kashan, Iran. High UV levels can lead to severe skin damage, including painful sunburns and long-term health issues such as skin cancer. In a city known for its arid climate and intense sunlight, particularly during the summer months, being aware of the daily UV exposure is essential for preserving skin health. With peak UV Index values soaring to 13 during midday, it's vital to take precautions to safeguard your skin and enjoy the beautiful surroundings without the risk of harmful sun exposure.
The UV Index throughout the day demonstrates a dramatic rise and fall, peaking at 13 around 12:00 PM. Starting from a modest 1 at 07:00 AM, it steadily climbs to a notable 11 by 11:00 AM. The intensity continues to surge, reaching its zenith at 12:00 PM before gradually tapering off. At 1:00 PM, it slightly declines to 12 and then decreases to 11 by 2:00 PM. The waning sunlight brings the UV Index down to 8 at 3:00 PM, and it continues its descent, falling to 2 by 5:00 PM and settling back to a safe 1 by 7:00 PM. This data highlights the importance of sun protection during the midday hours when UV exposure peaks, reminding us to stay safe while enjoying the outdoors.
| 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 | 11 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 12 | 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 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 |