Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Zlatoustovsk, Russian Federation, as it plays a significant role in protecting skin health and preventing sunburn. With a climate characterized by chilly winters and mild summers typical of the Dwc zone, Zlatoustovsk experiences varying UV exposure throughout the year. During peak hours—especially between 10:00 AM and 2:00 PM, when the UV Index can soar to levels of 8 and 9—awareness and precautions become essential to reduce risks associated with high UV radiation. Staying informed about these levels not only helps in enjoying the sun safely but also contributes to long-term skin health.
The UV Index displays a dynamic pattern throughout the day, peaking at 12:00 PM with a striking value of 9, indicating very high risk for harm from unprotected sun exposure. The day begins with a modest reading of 2 at 7:00 AM, steadily climbing as the sun rises. By 10:00 AM, the index reaches 7, signaling a warning to seek shade during midday hours. As the clock strikes 11:00 AM, it escalates to 8, and peaks at 12:00 PM. Post-peak, a gentle decline follows, with values dropping to 5 by 3:00 PM and tapering to a low of 1 by 6:00 PM. It’s a reminder that while the sun can be inviting, precautions should be taken as its potency intensifies through the day.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 4 | 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 experiences notable seasonal changes, reflecting varying sun exposure risks. January and December see low UV levels (Index 1) with protection needed after 45 minutes of sun exposure. As spring approaches in March (Index 3) and April (Index 5), the risk increases to moderate levels, with burn times dropping to 30 minutes. The summer months of May to July present the highest risks, peaking at an Index of 9 in July, where only 15 minutes of unprotected exposure can lead to burns. August starts a gradual decline in UV intensity, returning to moderate levels by September and October. To stay safe, residents and visitors should take extra precautions during the high-risk months of May to July, including seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen regularly when outdoors.
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 |
| 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 |
| Zlatoustovsk | 1 | 2 | 3 | 5 | 7 | 8 | 9 | 7 | 5 | 3 | 2 | 1 |