Last updated: July 2, 2025
In Kaltan, Russian Federation, being aware of the UV Index is crucial for maintaining healthy skin and preventing sunburn. Understanding the daily fluctuations in UV levels can empower residents and visitors to take necessary precautions against harmful exposure. With a Dfb climate, Kaltan experiences varied weather patterns, but the risk of high UV radiation, particularly during the peak hours between 11 AM and 3 PM, highlights the need for vigilance. Knowing that the UV Index can reach levels as high as 7 underscores the importance of sun safety awareness in this picturesque region.
The UV Index reveals a dynamic pattern throughout the day, peaking at 7 between 1 PM and 2 PM. Early risers will experience a mild index of 1 at 7 AM, gradually increasing to 2 by 8 AM. As the sun climbs higher, the index escalates quickly, reaching 4 at 10 AM, and hitting 5 at 11 AM. By noon, it further intensifies to 6, showcasing the sun's potency. As afternoon sets in, the index remains strong at 7 before gently declining to 6 by 3 PM and tapering off to 4 by 4 PM. As evening approaches, the UV intensity drops steadily, landing at 1 by 7 PM, a gentle reminder to enjoy the sun wisely.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences significant seasonal changes. January and February have the lowest UV Index readings of 1 and 2, categorized as low exposure, allowing for a safe burn time of 45 minutes. As spring arrives, March and April see a rise to 5, with a moderate exposure risk and a decrease in burn time to 30 minutes. The summer months of May through July hit a peak UV Index of 7, categorized as high exposure with a burn time of only 25 minutes—this period is critical for sun safety, especially for visitors and residents. Even in August, with a UV Index of 6, the risk remains high. As we transition into fall, the UV Index drops to 5 in September and 3 in October, signaling moderate exposure risks once again with a return to 30 minutes of safe exposure. In the late fall and winter, November and December revert to low UV levels of 2 and 1, allowing for longer burn times of 45 minutes. It is crucial for individuals to take protective measures during high-risk months from May to August, such as using sunscreen, wearing protective clothing, and seeking shade.
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 |
| Kaltan | 1 | 2 | 5 | 5 | 7 | 7 | 7 | 6 | 5 | 3 | 2 | 1 |