Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Vadstena, Sweden, where sunny days can pose hidden risks to skin health. With a climate characterized by distinct seasons and varying UV exposure, knowing the UV levels can mean the difference between a fun-filled day outdoors and an uncomfortable sunburn. As the UV Index peaks at 7 around midday, awareness becomes key in protecting your skin from harmful rays. By staying informed about daily UV levels, you can enjoy Vadstena's beautiful summers while safeguarding your health against the potential dangers of excessive sun exposure.
As the sun rises, the UV Index begins its slow ascent, starting at a mere 1 at 7:00 AM. By 8:00 AM, it climbs to 2, and as the clock strikes 9:00 AM, it reaches 3. The true intensity of the sun emerges around 10:00 AM, with the index leaping to 5. Just prior to noon, at 11:00 AM, it peaks at 6, but the real highlight comes at 12:00 PM, when it hits an impressive 7. This high continues until 2:00 PM, showcasing a strong midday sun before gradually easing off. By 3:00 PM, the index dips to 6, and by 4:00 PM, it further descends to 4. As the day winds down, the UV levels drop significantly; by 6:00 PM, it returns to 2, and finally settles back to 1 by 7:00 PM. Remember to protect yourself during those peak hours! ☀️
| 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 | 5 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 7 | 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 |
The UV Index experiences notable seasonal fluctuations, peaking during the summer months. From January to February, the index remains low (1-2), allowing for a burn time of 45 minutes without substantial risk. As spring arrives in March and April, the index rises to a moderate level (3-4), decreasing the burn time to 30 minutes. The summer months of June and July are particularly high-risk, with UV levels reaching 7; it’s crucial for visitors and residents to limit sun exposure to just 25 minutes during this time. August sees a slight decrease to 6, but caution remains essential. As fall approaches, the index drops back to moderate (4 in September) and again to low levels (2-1) from October to December, allowing for longer safe exposure times of 45 minutes. Visitors and residents are strongly advised to protect themselves during high-risk months (June to August) with proper clothing, sunscreen, and shade, while maintaining awareness of changing UV levels throughout the year.
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 |
| Vadstena | 1 | 2 | 3 | 4 | 5 | 7 | 7 | 6 | 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 |