Last updated: May 3, 2025
Understanding the UV Index in Kortesjaervi, Finland is crucial for maintaining skin health and preventing sunburn, especially during the sunnier months when UV levels can rise significantly. With a typical climate classified as Dfc, residents and visitors alike should be aware that UV exposure increases around midday, peaking at levels 4 and 5 between 11:00 AM and 2:00 PM. Being informed about the UV Index not only helps in avoiding immediate discomfort but also contributes to long-term skin health, making it essential to check daily UV levels to protect yourself from harmful effects while enjoying the outdoors. Whether you're hiking through the stunning Finnish landscapes or simply spending time outside, staying vigilant about UV exposure is key to safeguarding your skin.
As the sun rises, the UV Index begins its ascent, starting at a mild 1 at 7:00 AM. By 10:00 AM, it steadily climbs to 3, signaling a need for some sun protection. The peak occurs between noon and 2:00 PM, where the index reaches a maximum of 5. During these hours, it’s crucial to wear sunscreen and seek shade, especially as the intensity is higher. As the afternoon progresses, the UV Index gradually declines, dipping back to 2 by 6:00 PM and finally settling at 1 by 7:00 PM. This pattern highlights the importance of being sun-safe during the midday hours, ensuring you enjoy the outdoors while protecting your skin!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 3 | moderate | 30 min |
| 11:00 | 4 | moderate | 30 min |
| 12:00 | 4 | moderate | 30 min |
| 13:00 | 5 | moderate | 30 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index fluctuates seasonally, reflecting changes in sun strength and associated risk levels throughout the year. January through March sees low UV levels (1-2) with a burn time of 45 minutes. As spring approaches, April and May experience an increase to moderate exposure (4-5), reducing burn time to 30 minutes. The risk peaks in June and July, where the UV Index reaches 6, categorizing it as high risk, with a burn time of just 25 minutes. This is followed by a slight decrease in August (UV Index 5) and September (UV Index 3), both retaining moderate exposure. By October to December, levels fall back to low (1-2), allowing for a safer burn time of 45 minutes. Visitors and residents should exercise caution and use sun protection during high-risk months (June and July), while maintaining awareness of changing UV levels throughout the year to minimize skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kortesjaervi | 1 | 1 | 2 | 4 | 5 | 6 | 6 | 5 | 3 | 2 | 1 | 1 |
| Tampere UVI | 1 | 1 | 3 | 4 | 5 | 6 | 6 | 5 | 3 | 2 | 1 | 1 |
| Vantaa UVI | 1 | 1 | 3 | 4 | 5 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |
| Espoo UVI | 1 | 1 | 3 | 4 | 5 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |
| Helsinki UVI | 1 | 1 | 3 | 4 | 5 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |
| Turku UVI | 1 | 2 | 3 | 4 | 5 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |