Last updated: June 2, 2025
In Semenov, Russian Federation, being aware of the UV Index is crucial for maintaining your skin health and preventing sunburn. Understanding the UV levels can significantly impact your outdoor activities, especially during the peak hours when UV rays are the strongest, typically around 11:00 AM to 1:00 PM when values reach 7. With Semenov's Dfb climate, characterized by distinct seasons and varied sunshine exposure, residents must stay informed about UV risks. By keeping track of the UV Index, you can enjoy the beauty of Semenov’s landscapes while protecting your skin from harmful effects.
The UV Index begins at a low of 2 at 07:00, making it a comfortable time for early morning activities. As the sun rises higher, the index gradually climbs, peaking at 7 between 11:00 and 13:00—a time when sun protection becomes essential. From there, it gently descends, dipping back to 5 by 15:00, before falling to 3 at 16:00. As the day winds down, the UV Index settles into a safer range, hitting 1 by 18:00 and 19:00, signaling that the sun is no longer a significant threat. For outdoor lovers, it's best to gear up with sunscreen during the midday hours for optimal protection!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits notable seasonal changes, with high-risk months typically occurring from June to August when levels reach 6 or higher, indicating a high exposure risk and a reduced burn time of just 25 minutes. In contrast, the winter months of January, November, and December experience a low UV Index of 1, where individuals can safely spend up to 45 minutes in the sun without significant risk of sunburn. As spring approaches, the UV Index gradually rises, peaking in April and May at a moderate 5, which necessitates a bit more caution, allowing only 30 minutes of unprotected sun exposure. To ensure safety, visitors and residents are advised to be particularly vigilant during the summer months, using adequate sun protection techniques such as sunscreen, protective clothing, and seeking shade during peak sunlight hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Saint Petersburg UVI | 1 | 2 | 3 | 4 | 5 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |
| Semenov | 1 | 2 | 4 | 5 | 5 | 7 | 6 | 6 | 4 | 2 | 1 | 1 |
| Nizhniy Novgorod UVI | 1 | 2 | 4 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 1 | 1 |
| Yekaterinburg UVI | 1 | 2 | 4 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 1 | 1 |
| Moscow UVI | 1 | 2 | 4 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 2 | 1 |
| Novosibirsk UVI | 1 | 2 | 4 | 5 | 7 | 7 | 6 | 6 | 5 | 3 | 1 | 1 |