Last updated: June 2, 2025
In Yuzhno-Sakhalinsk, awareness of the UV Index is crucial for protecting your skin from harmful ultraviolet rays. Understanding UV levels not only helps prevent painful sunburns but also plays a vital role in maintaining long-term skin health and reducing the risk of skin cancers. With a Dfc climate characterized by cold humid winters and mild summers, residents and visitors alike must be vigilant, especially during peak UV hours, typically between 11:00 AM and 3:00 PM, when the index can soar to 8. Stay informed and take proactive measures to enjoy the sun safely!
As the sun rises, the UV Index starts at a gentle 1 at 07:00, gradually climbing to a moderate 2 by 08:00. By 09:00, it reaches a 3, indicating that sun protection is becoming more important. The day's peak occurs at 12:00, when the UV Index hits a high of 8, prompting caution for prolonged exposure. This intensity remains steady until 14:00, before tapering off slowly. At 15:00, it drops to 7, then decreases to 6 by 16:00, and falls further to 4 at 17:00. As the day winds down, the index retreats to a soothing 2 by 18:00 and concludes at 1 by 19:00, making the evening safe for outdoor strolls. Remember to protect your skin during those 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 | 6 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | 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, with the highest values occurring in the summer months. From January (UV Index 2) to March (UV Index 4), exposure levels are relatively low to moderate, allowing for longer burn times of 30–45 minutes. However, as we transition into April (UV Index 6) and May (UV Index 7), the risk escalates into the high category, reducing burn times to 25 minutes. The peak risk months are June and July, when the UV Index reaches 8–9, categorized as very high, with a burn time of just 15 minutes. August sees a slight decline (UV Index 8), but remains critical. In September (UV Index 7) and October (UV Index 4), the risk decreases again, returning to moderate levels with burn times of 25–30 minutes. November and December return to low risk with extended burn times of 45 minutes. Visitors and residents are advised to take precautions during the high-risk months, particularly from April to September, by wearing protective clothing, applying sunscreen regularly, 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 |
| 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 |
| Yuzhno-Sakhalinsk | 2 | 3 | 4 | 6 | 7 | 8 | 9 | 8 | 7 | 4 | 2 | 1 |