Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Kolari, Finland, where sun exposure can significantly impact skin health. Being aware of UV levels helps prevent sunburn and long-term skin damage, making it essential for outdoor enthusiasts and families alike. Kolari's Dfc climate presents unique challenges, especially during the summer months when UV rays can reach a moderate level of 5 around midday. By staying informed about the UV Index, you can take proactive measures to protect yourself and enjoy the beautiful Finnish outdoors safely.
As the sun rises, the UV Index begins its ascent, starting at a mild 1 at 07:00. By 08:00, it climbs to a 2, signaling the need for a bit of caution. The UV intensity peaks at 5 from 12:00 to 15:00, a crucial time when protective measures are essential for outdoor activities. After this midday high, the index gradually declines, reaching 4 by 16:00 and dropping back to 2 by 19:00. This hourly progression highlights the importance of being sun-smart, especially during those peak hours when the UV rays are at their strongest. Stay safe and enjoy the sunshine!
| 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 | 3 | moderate | 30 min |
| 11:00 | 4 | moderate | 30 min |
| 12:00 | 5 | moderate | 30 min |
| 13:00 | 5 | moderate | 30 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 2 | low | 45 min |
Throughout the year, seasonal UV changes reflect a notable variation in sun exposure. January to February and October to December witness low UV Index levels (1) with a burn time of 45 minutes, making sun protection less critical. However, as March approaches, the UV Index rises to 2, still within the low category, but caution should be exercised. The high-risk months are predominantly from April to September, where the UV Index peaks at 5 during June and July, categorizing as moderate; individuals should limit sun exposure to 30 minutes during these times. Residents and visitors are advised to take appropriate sun safety measures, including wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours, especially in the warmer months.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kolari | 1 | 1 | 2 | 3 | 4 | 5 | 5 | 4 | 3 | 1 | 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 |