Last updated: June 2, 2025
In Undersaker, Sweden, understanding the UV Index is essential for maintaining healthy skin and preventing sunburn, especially during the warmer months when UV radiation can be particularly intense. As a region with a Dfc climate, residents and visitors alike are often exposed to varying UV levels throughout the day, peaking between noon and 2 PM when a level of 6 can occur. By staying informed about the UV Index, you can take proactive measures to protect yourself and enjoy the beautiful outdoor activities Undersaker has to offer while minimizing the risks associated with high UV exposure.
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 | 3 | moderate | 30 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 6 | high | 25 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 | 1 | low | 45 min |
Seasonal variations in UV Index indicate a notable increase from the low levels in January and February (UV Index 1) to more hazardous levels in June and July (UV Index 6), where the burn time decreases to just 25 minutes. The UV Index reaches moderate levels in March through May (UV Index 3-5) and dips back to low levels from October to December. The high-risk months for UV exposure are clearly June and July, when direct sunlight can cause skin damage within 25 minutes. Residents and visitors should take precautions during these months by wearing protective clothing, applying sunscreen, and limiting sun exposure during peak hours to reduce the risk of UV-related health issues.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Undersaker | 1 | 1 | 3 | 4 | 5 | 6 | 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 |