Last updated: June 2, 2025
In Polva, Estonia, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding the daily UV levels can help you prevent sunburn and long-term skin damage, especially during the sunniest hours when the index peaks at 7 from 13:00 to 14:00. Polva's Dfb climate brings a mix of cool summers and mild winters, but that doesn’t mean you’re safe from UV exposure. As the sun's rays can be intense even on seemingly mild days, knowing the UV Index is your best defense against harmful effects. Stay informed and keep your skin safe while enjoying the beautiful outdoors!
As the day unfolds, the UV Index rises steadily, starting from a mild 1 at 07:00. By 09:00, it reaches 3, marking the beginning of increased sun exposure. At 10:00, the index escalates to 4, and by 11:00, it hits 6, indicating a peak in intensity. The highest UV levels occur at 13:00 and 14:00 with a sharp 7, suggesting it's prime time for protective measures. As the afternoon progresses, the index gradually declines, falling to 5 by 16:00 and 3 by 17:00. As the sun sets, the index drops back to 1 by 19:00, offering a gentle reminder of the sun's power throughout the day. Remember to stay safe and embrace those UV rays 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 | 6 | high | 25 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 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index experiences notable seasonal fluctuations, peaking during the summer months. From January to February, the index remains low (1-2), allowing for a burn time of 45 minutes without substantial risk. As spring arrives in March and April, the index rises to a moderate level (3-4), decreasing the burn time to 30 minutes. The summer months of June and July are particularly high-risk, with UV levels reaching 7; it’s crucial for visitors and residents to limit sun exposure to just 25 minutes during this time. August sees a slight decrease to 6, but caution remains essential. As fall approaches, the index drops back to moderate (4 in September) and again to low levels (2-1) from October to December, allowing for longer safe exposure times of 45 minutes. Visitors and residents are strongly advised to protect themselves during high-risk months (June to August) with proper clothing, sunscreen, and shade, while maintaining awareness of changing UV levels throughout the year.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tallinn UVI | 1 | 1 | 3 | 4 | 5 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |
| Kohtla-Jaerve UVI | 1 | 1 | 3 | 4 | 5 | 7 | 7 | 6 | 4 | 2 | 1 | 1 |
| Narva UVI | 1 | 2 | 3 | 4 | 5 | 7 | 7 | 6 | 4 | 2 | 1 | 1 |
| Paernu UVI | 1 | 2 | 3 | 4 | 5 | 7 | 7 | 6 | 4 | 2 | 1 | 1 |
| Tartu UVI | 1 | 2 | 3 | 4 | 5 | 7 | 7 | 6 | 4 | 2 | 1 | 1 |
| Polva | 1 | 2 | 3 | 4 | 5 | 7 | 7 | 6 | 4 | 2 | 1 | 1 |