Last updated: May 3, 2025
In Sollefteå, Sweden, awareness of the UV Index is essential for maintaining skin health and preventing sunburn, particularly during the warmer months when UV exposure can peak. Understanding UV levels helps residents and visitors take proactive steps in protecting their skin, especially when the Index reaches 5 around midday. With Sollefteå's Dfc climate zone, characterized by cold winters and mild summers, the risk of UV-related skin damage can be easily overlooked, making it crucial to stay informed and safeguard against harmful rays while enjoying the great outdoors.
The UV Index offers a fascinating glimpse into the sun's intensity throughout the day. Beginning at 7:00 AM, the index starts at a low level of 1, gradually climbing to 2 by 8:00 AM. By 9:00 AM, it reaches 3, and it maintains this level until 10:00 AM. The sun becomes more potent as it peaks at noon, hitting a maximum of 5, where it remains steady until 1:00 PM. As the afternoon progresses, the intensity starts to wane, dipping to 4 at 2:00 PM and again at 3:00 PM. The UV Index then decreases further to 3 at 4:00 PM, trailing off to 2 by 5:00 PM. As evening approaches, the index returns to its early morning levels, settling at a tranquil 1 by 6:00 PM and remaining there until twilight at 7:00 PM. This data underlines the importance of sun protection during peak hours, especially from noon to 1:00 PM, when the UV levels are at their highest.
| 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 | 4 | moderate | 30 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
As the seasons change, the UV Index fluctuates significantly, indicating varying levels of sun exposure risk throughout the year. From January to February, the UV Index remains low at 1, allowing for a burn time of 45 minutes without significant risk. March marks the beginning of a rise, with a moderate exposure category of 3 (burn time: 30 min), continuing through to May when it reaches 5. The high-risk months are June and July, where the UV Index peaks at 6, necessitating caution with a reduced burn time of 25 minutes. By August, the index drops back to 5, with September and October further decreasing to 3 and 2 respectively. Visitors and residents should be particularly vigilant during the summer months of June and July, ensuring adequate skin protection such as sunscreen, hats, and sunglasses, while still enjoying the outdoors responsibly in the moderate months of March, April, May, August, and September.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solleftea | 1 | 1 | 3 | 4 | 5 | 6 | 6 | 5 | 3 | 2 | 1 | 1 |
| 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 |
| Malmoe UVI | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 1 | 1 |