Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Tabriz, Iran, where the combination of a semi-arid climate and high UV exposure levels can lead to significant risks for skin health. Being aware of UV levels helps in preventing sunburn and minimizing the long-term effects of UV radiation on the skin. Throughout the day, particularly between 10 AM and 2 PM, the UV Index peaks—reaching as high as 12—indicating a very high risk of harm from unprotected sun exposure. By keeping an eye on the UV Index, you can take proactive steps to protect yourself and your loved ones while enjoying the sunlit days of Tabriz.
The UV Index demonstrates a striking rise as the day unfolds, peaking between 12:00 PM and 1:00 PM with a blistering 12. Early risers enjoy relatively low levels, starting at 1 at 7:00 AM and climbing to 2 by 8:00 AM. As the sun reaches its zenith, UV levels spike dramatically, hitting 10 at 11:00 AM and reaching peak intensity at 12:00 PM. The afternoon offers a gradual decline, with values waning to 9 by 3:00 PM and easing further to 4 at 5:00 PM. As daylight wanes, the index drops to a gentle 2 by 6:00 PM, and finally retreats to a soothing 1 by 7:00 PM, showcasing the importance of midday sun safety while enjoying outdoor activities.
| 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 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index reflects significant seasonal changes that highlight periods of increased sun exposure risk. From January to February, the UV Index remains moderate (4-5), with a burn time of 30 minutes, making it relatively safer for outdoor activities. However, as spring arrives, March and April see a sharp rise to very high levels (9-10), reducing burn time to just 15 minutes. The peak of sun exposure occurs during the summer months of May to August, where the UV Index reaches an extreme level of 12, necessitating caution as burn time drops to a mere 10 minutes. As the season transitions into fall, the UV Index decreases to very high in September (9) and high in October (7) before returning to moderate levels in November and December (4-3). It is advisable for residents and visitors to take necessary precautions, such as wearing sunscreen and protective clothing, especially during March to August, when the risk for skin damage is the highest.
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 | 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 |