Last updated: July 2, 2025
Understanding the UV Index in Lahijan, Iran is crucial for protecting yourself from harmful sun exposure. With the potential for serious skin health consequences, including painful sunburns and long-term damage, being aware of the UV levels throughout the day is essential for everyone. Lahijan, with its Csa climate, experiences significant UV exposure, especially during peak hours when the index can reach as high as 10 around noon. By monitoring the UV Index, residents and visitors can take proactive steps to safeguard their skin and enjoy the beautiful outdoors safely.
As the sun rises, the UV Index gradually climbs, starting at a modest 1 at 7:00 AM and reaching an energetic 2 by 8:00 AM. The intensity escalates quickly, peaking at a robust 10 between 12:00 PM and 1:00 PM—the ideal time to take extra sun safety precautions! By 2:00 PM, the index begins its gentle decline, settling to 9 at 2:00 PM, and gradually tapering off to a more manageable 3 by 5:00 PM. As evening approaches, the index dwindles to 1 by 6:00 PM, allowing for a calm end to the day. Remember, during peak hours, it’s crucial to protect your skin to enjoy the sunshine safely!
| 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 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | 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 |
Throughout the year, the UV Index experiences notable fluctuations, with high-risk months primarily occurring from March to September. In these months, particularly in May when the UV Index peaks at 11 (extreme exposure), the recommended burn time decreases significantly to just 10 minutes. Following closely are April and June with an Index of 8 and 10, respectively, indicating very high risk where burn time is limited to 15 minutes. Residents and visitors should be particularly vigilant during these months, taking precautions such as wearing protective clothing, applying sunscreen with high SPF, and seeking shade during peak sunlight hours. From October to December, UV exposure declines to moderate levels, making it safer for outdoor activities, but it's still wise to remain cautious, especially during October when the UV Index is at 6. Stay informed and protect your skin year-round!
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lahijan | 4 | 4 | 8 | 8 | 11 | 10 | 10 | 9 | 8 | 6 | 4 | 3 |
| 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 |
| Isfahan UVI | 5 | 7 | 10 | 10 | 13 | 13 | 12 | 11 | 10 | 9 | 6 | 4 |