Last updated: July 2, 2025
Understanding the UV Index is crucial for staying safe in Tafresh, Iran, where the sun’s rays can be deceptively powerful. With typical UV levels peaking in the afternoon, awareness of these figures can be a key factor in preventing sunburn and protecting your skin health. Tafresh's Csa climate brings warm, sunny days, making it essential to remain vigilant about UV exposure risks. By familiarizing yourself with the daily UV Index, you can enjoy the outdoors while safeguarding your skin against harmful effects.
The UV Index varies significantly throughout the day, peaking from 12:00 PM to 1:00 PM with a striking 12. Early morning starts off mild, reaching a maximum of 1 at 7:00 AM before climbing through the hours. At 9:00 AM, it hits 5, and by 10:00 AM, it intensifies to 8. The sun's intensity continues to rise, attaining its highest points at 11:00 AM and 12:00 PM, with the index hitting 10 and 12, respectively. As the afternoon progresses, a gradual decline begins; by 3:00 PM, it dips to 8, then further to 5 at 4:00 PM. The UV Index settles back down to 3 by 5:00 PM and returns to 1 as evening approaches, illustrating the importance of sun protection, particularly during the peak hours of midday.
| 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 | 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 levels fluctuate significantly, peaking during the spring and summer months. January and December show a moderate UV Index of 4, requiring about 30 minutes of exposure before burning. As early as February, the UV Index rises to 6, indicating high exposure risk, with a burn time reduced to 25 minutes. The months of March to August mark the highest risk, particularly May and June, with an extreme UV Index of 13 and a critical burn time of just 10 minutes. Visitors and residents should be especially cautious during these high-risk months, employing protective measures such as wearing sunscreen, hats, and sunglasses, and seeking shade whenever possible. As summer transitions to fall, the UV Index gradually decreases; however, September and October still present very high levels, necessitating continued vigilance. November returns to moderate levels, allowing for safer outdoor activities, but it is wise to remain aware of UV risks 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 |
| 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 |
| Tafresh | 4 | 6 | 9 | 10 | 13 | 13 | 12 | 11 | 10 | 8 | 5 | 4 |
| Isfahan UVI | 5 | 7 | 10 | 10 | 13 | 13 | 12 | 11 | 10 | 9 | 6 | 4 |