Last updated: August 1, 2025
Understanding the UV Index in Naesviken, Sweden is essential for safeguarding your skin and overall health. With varying UV levels throughout the day, awareness can significantly help prevent sunburn and reduce long-term skin damage. Naesviken’s Dfc climate—characterized by cool summers and a unique exposure to UV radiation—means that even on milder days, the sun can still pose a risk, especially around midday when the UV Index peaks at 6. Equip yourself with this vital information to make informed choices about outdoor activities and protect your skin’s well-being.
The UV Index throughout the day presents a clear peak in intensity, rising steadily from a gentle 1 at 07:00 to an assertive maximum of 6 between 12:00 and 14:00. This midday surge emphasizes the importance of sun protection, as the index then gracefully descends back to 1 by 19:00. From 08:00 to 11:00, values increase moderately, showcasing an inviting morning glow, while midday hours certainly warrant caution as the sun reaches its zenith. After 15:00, a gradual decline signals a retreat of UV intensity, allowing a more relaxed late afternoon. Armed with this timely information, outdoor enthusiasts can plan their activities with sun safety in mind!
| 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 | 5 | 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 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index in the region exhibits notable seasonal variations that impact sun exposure and skin safety. From January to February, the UV Index remains low (1), allowing for a longer burn time of 45 minutes. As spring arrives in March, the index rises to 3, indicating moderate exposure, with a reduced burn time of 30 minutes. This trend continues with a slight increase in April (UV 4) and May (UV 5). The summer months (June and July) see the highest risk, peaking in June with a high UV Index of 7, leading to a burn time of just 25 minutes—thus making June and July the high-risk months for UV exposure. August and September return to moderate levels but still require caution. As temperatures cool in October to December, the UV levels drop back down to low (1-2), allowing for longer burn times again at 45 minutes. Visitors and residents should prioritize sun protection—such as wearing sunscreen, protective clothing, and sunglasses—especially between March and September, with a heightened emphasis during the summer months when UV exposure is most intense.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Naesviken | 1 | 1 | 3 | 4 | 5 | 7 | 6 | 5 | 4 | 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 |