Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Luleå, Sweden, where the northern climate brings unique sun exposure challenges. With UV levels peaking at a moderate 5 during the midday hours, being aware of these figures is essential for preventing sunburn and maintaining long-term skin health. Luleå's Dfc climate means that while summers can be delightful, the risks of UV radiation are ever-present, especially during outdoor activities. By keeping an eye on the UV Index, you can enjoy the beauty of Luleå while safeguarding your skin from harmful effects!
The UV Index throughout the day presents a captivating overview of sun intensity. At 07:00 AM, the day begins with a mild index of 2, rising steadily to 3 at 09:00 AM. The sun's power peaks from 12:00 PM to 1:00 PM, where it reaches a maximum of 5, urging sun-worshippers to take precautions. As the afternoon rolls on, the index dips to 4 by 2:00 PM and gradually declines back to 2 at 5:00 PM. By evening, the UV Index softens to a comfortable 1 at 6:00 PM, concluding the day with a gentle fade. This data illustrates the importance of sun safety, especially during the midday hours when the UV rays are most potent.
| 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 | 5 | moderate | 30 min |
| 13:00 | 5 | 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 |
The UV Index experiences significant seasonal fluctuations, peaking during the summer months. From January to March, the UV Index remains low (1-2), allowing for relatively safe sun exposure with burn times around 45 minutes. However, April and May see a rise to a moderate level (4), reducing safe exposure to 30 minutes. The summer months of June and July present a high risk with a UV Index of 6, necessitating caution as burn times decrease to just 25 minutes. As summer transitions to fall, the UV Index drops back to moderate in August (4) and September (3), before returning to low levels in the final months of the year (1-2) with extended burn times of 45 minutes. Visitors and residents should take extra precautions during June and July, wearing sunscreen and protective clothing, especially during peak sun hours, while remaining vigilant throughout the spring months.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lulea | 1 | 1 | 2 | 4 | 4 | 6 | 6 | 4 | 3 | 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 |