Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Ii, Finland, where the unique Dfc climate brings its own set of sun exposure challenges. Awareness of UV levels is essential for effective sunburn prevention and maintaining overall skin health. During the day, UV exposure peaks at a moderate level, particularly between 11:00 and 14:00, reaching values of up to 6. As you enjoy outdoor activities in this picturesque region, staying informed about the UV Index can help safeguard your skin while you soak in the beauty of Ii’s natural landscapes.
The UV Index rises steadily through the morning, starting at a mild 1 at 07:00, then climbing to 2 by 08:00. As the sun reaches its peak, it hits a maximum of 6 at both 13:00 and 14:00, signifying a high potential for harm from unprotected sun exposure. The intensity then begins to wane, dropping back to 5 by 15:00 and gradually descending to 2 by 19:00. It’s advisable to stay protected when the index reaches 5 or higher, especially during the midday hours when the sunlight is strongest. So, prepare for vibrant outdoor activities in the morning and evening, but take caution during the peak hours of 11:00 to 14:00!
| 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 | 5 | moderate | 30 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 6 | high | 25 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, the UV Index exhibits noticeable seasonal changes that impact exposure risk for both visitors and residents. From January to February, the UV Index remains low at 1, allowing for safe outdoor activities with a burn time of 45 minutes. As spring approaches, March to April sees an increase to a moderate UV Index of 3 and 4 respectively, with a reduced burn time of 30 minutes. The high-risk months are June and July, when the UV Index peaks at 6, necessitating caution as burn time drops to just 25 minutes. In late summer, the UV Index decreases to 4 in August and 3 in September, returning to moderate levels, followed by a return to low levels from October to December with a UV Index of 1 and a burn time of 45 minutes. Visitors and residents should wear sunscreen and protective clothing during moderate to high UV Index months, particularly in summer, to minimize the risk of skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ii | 1 | 1 | 3 | 4 | 5 | 6 | 6 | 4 | 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 |