Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Mortka, Russian Federation, where exposure to ultraviolet rays can vary significantly throughout the day. With a climate classified as Dfc, characterized by cool summers, it’s essential to recognize how UV levels impact sunburn prevention and overall skin health. During peak hours, particularly between 11:00 AM and 1:00 PM, UV Index levels can reach 6, indicating a moderate risk of harm from unprotected sun exposure. By staying informed about local UV conditions, Mortka's community can take proactive steps to protect their skin and enjoy the outdoors safely.
As the sun rises, the UV Index gradually climbs, reaching its peak at 12:00 PM with an impressive 6. From the early hours of 7:00 AM, when it starts at a mild 1, it steadily increases, hitting 2 by 8:00 AM and escalating to 4 at 10:00 AM. By 11:00 AM, caution is warranted with a rating of 5. The afternoon sun maintains its intensity, keeping the index at 6 between 12:00 PM and 1:00 PM. However, as the day winds down, the UV Index begins to recede—falling back to 5 by 2:00 PM, then 4 at 3:00 PM, and finally settling at 1 by 7:00 PM, signaling a safer time for outdoor activities. Always remember to protect your skin during the peak hours!
| 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 | 6 | high | 25 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 4 | 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 significant seasonal variation, impacting sun safety practices for residents and visitors. The high-risk months, typically from May to July, register a UV Index of 6, indicating a high exposure category with a burn time as short as 25 minutes. In contrast, the low-risk months of January, October, November, and December present a UV Index of 1 or 2, allowing for longer exposure times of up to 45 minutes without burning. From March to April, the index rises to a moderate level of 3 or 4, necessitating awareness and caution. Thus, it is advisable for everyone to protect themselves from UV exposure during high-index months by wearing sunscreen, protective clothing, and sunglasses, and to seek shade during peak hours, ensuring a safe and enjoyable outdoor experience year-round.
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 |
| Mortka | 1 | 2 | 3 | 4 | 6 | 6 | 6 | 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 |