Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Byske, Sweden, where the unique Dfc climate can bring both beauty and UV exposure risks. Awareness of UV levels is essential for protecting your skin—prevention of sunburn, skin aging, and long-term health issues starts with knowing when those UV rays are at their peak. With typical summer days reaching a maximum UV Index of 6 around noon, it's important to take precautions from 10 AM to 2 PM, when the sun is strongest. Stay informed and enjoy the Swedish sunshine safely!
The UV Index today offers a dynamic range of sun exposure throughout the day, starting with a gentle peak at 07:00 with a value of 2. As the sun climbs higher, it reaches 3 by 08:00 and escalates to a warm 5 by 10:00. The intensity peaks at 12:00 and 13:00, registering a strong 6, advocating for sun protection measures. Afterward, the index gradually subsides, dropping to 5 by 14:00 and 15:00, and sliding down to 4 at 16:00. As the day winds down, the UV exposure returns to more manageable levels, concluding with a 2 by 18:00 and a minimal 1 at 19:00. Stay mindful and enjoy the sunshine!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 5 | moderate | 30 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 |
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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Byske | 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 |