Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Bjaernum, Sweden, where the mild maritime climate can sometimes mask potential sun exposure risks. With UV levels peaking around midday, especially between 11:00 AM and 1:00 PM, it's essential to stay informed to protect against sunburn and maintain skin health. Awareness of the UV Index not only helps in planning outdoor activities but also in taking necessary precautions when enjoying the sun. While Bjaernum's climate is generally pleasant, its UV radiation can become significant during summer months, making it vital to keep an eye on those UV levels for safer sun practices.
As the sun rises, the UV Index begins to climb, starting at a gentle 1 at 07:00. By 09:00, it reaches a moderate 3, prompting some caution for those venturing outdoors. 10:00 marks a notable surge to 4, and the UV Index peaks at 7 during the height of the day at 13:00. After this zenith, it gradually dips, returning to 6 at 14:00 before easing down to 2 by 18:00. As the day winds down, the UV Index settles back to 1 by 19:00, providing a gentle close to the daylight hours. Ensure to protect your skin during the peak hours of 11:00 to 13:00 when the sun's rays are strongest!
| 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 | 6 | high | 25 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure fluctuates, with high-risk months occurring from May to August, when the UV Index reaches 6 or 7, indicating heightened risk for skin damage. In these months, burn time for unprotected skin reduces to just 25 minutes. Moderate levels in March, April, September, and October suggest a more cautious approach is still warranted, allowing for 30 minutes of exposure before risking a burn. Conversely, the winter months of January, February, November, and December feature a low UV Index of 1 or 2, with burn times of 45 minutes, making them safer for prolonged outdoor activities. It’s essential for visitors and residents alike to scale their sun exposure accordingly, ensuring proper skin protection during the high-risk months and enjoying the lower risks opportunistically in the winter.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sollentuna UVI | 1 | 2 | 3 | 4 | 5 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |
| Uppsala UVI | 1 | 2 | 3 | 4 | 5 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |
| Stockholm UVI | 1 | 2 | 3 | 4 | 5 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |
| Goeteborg UVI | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 5 | 2 | 1 | 1 |
| Bjaernum | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 1 | 1 |
| Malmoe UVI | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 1 | 1 |