Last updated: July 2, 2025
Understanding the UV Index in Rasht, Iran is crucial for protecting your skin from harmful overexposure to ultraviolet radiation, particularly as the city's humid subtropical climate can lead to increased sunlight intensity throughout the year. With levels peaking at a significant 10 around noon, it's essential to be aware of these fluctuations to prevent sunburn and ensure long-term skin health. Being informed about UV levels not only empowers residents and visitors to make smarter decisions about sunscreen and protective clothing but also helps foster a culture of health and awareness in an area known for its lush greenery and vibrant outdoor activities. Stay vigilant, and keep your skin safe as you enjoy all that Rasht has to offer!
The UV Index today showcases a dynamic sun activity that peaks dramatically as the day unfolds. Starting gently at 1 at 07:00, it swiftly climbs to 10 by 13:00, marking the sun's most intense rays during midday. As the afternoon progresses, the index dips, dropping to 5 by 16:00 and settling back to 1 by 19:00 as the sun begins to wane. This rhythm underscores the importance of sun safety: ensure protection during peak hours from 11:00 to 14:00 when the UV index is at its highest! Enjoy the sunshine, but don't forget your sunscreen!
| 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 | 9 | 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rasht | 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 |