Last updated: June 2, 2025
In Østerbybruk, Sweden, awareness of the UV Index is crucial for maintaining skin health and preventing sunburns. Understanding the daily fluctuation of UV levels, especially during the peak hours from 11 AM to 2 PM, can significantly reduce the risk of UV damage, allowing you to enjoy the beautiful outdoors safely. With Østerbybruk's Dfb climate, characterized by warm summers and cool winters, residents should be particularly vigilant during the sunnier months when UV exposure rises. Armed with this knowledge, you can protect your skin and make the most of your time outside!
As the sun rises, the UV Index starts off low, with a maximum of 2 at 7:00 AM and 8:00 AM. By 9:00 AM, it climbs to a moderate 4, reaching 5 by 10:00 AM. The intensity peaks at 7 from 12:00 PM to 1:00 PM, indicating a strong need for sun protection during these hours. After hitting its zenith, the UV Index gently declines to 6 at 2:00 PM and gradually tapers off to 3 by 5:00 PM, finally settling at 1 as the sun begins to set around 7:00 PM. This data highlights the importance of being vigilant about sun safety, especially in the midday hours.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 7 | 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 | 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OEsterbybruk | 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 |