Last updated: May 3, 2025
Understanding the UV Index is vital for residents and visitors in Langvik, Sweden, especially given its unique Dfc climate, which can present varying levels of sun exposure throughout the year. Awareness of UV levels is crucial not only for preventing sunburns but also for protecting long-term skin health. With the highest UV Index reaching 4 during midday hours, it's important to take precautions, as even moderate levels can pose risks, particularly for those who spend time outdoors. By keeping an eye on the UV Index, you can enjoy the beautiful Langvik outdoors while safeguarding your skin from harmful effects.
The UV Index throughout the day presents a gradual rise, reaching its peak of 4 between 10:00 AM and 3:00 PM. Starting from a mild 2 at 07:00 and 08:00, it steadily climbs as the sun ascends. At 09:00, it increases to 3, a signal to start taking sun protection measures. The intensity stabilizes at 4 during the later morning and early afternoon, indicating a moderate risk of harm from unprotected sun exposure. As the sun dips, the UV Index gently descends, dropping back to 2 by 17:00, and finally settling at a low 1 by 18:00 and 19:00, making them ideal times for evening strolls without the worry of sunburn. Enjoy the sun, but don’t forget your sunscreen during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 4 | moderate | 30 min |
| 12:00 | 4 | moderate | 30 min |
| 13:00 | 4 | 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 |
Throughout the year, seasonal changes in UV exposure significantly affect sun safety. The highest risk months for UV exposure are from April to June, with the UV Index peaking at 6 in June, signaling high risk for harm from unprotected sun exposure, where the burn time decreases to 25 minutes. During these months, it's crucial for visitors and residents to take protective measures, such as seeking shade, wearing hats, and applying sunscreen routinely. In contrast, January, October, November, and December present a low UV exposure risk, allowing for safer outdoor activities with a burn time of up to 45 minutes. As seasons change, being aware of the UV index can help ensure a safe and enjoyable experience outdoors.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Langvik | 1 | 1 | 2 | 3 | 4 | 6 | 5 | 4 | 3 | 1 | 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 |