Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Roknaes, Sweden, especially as we navigate the longer days of summer. The UV Index provides essential information about sun exposure levels, helping you take proactive steps to prevent sunburn and maintain your skin health. With the local climate characterized as Dfc—where cool summers bring variable UV exposure—it's important to be aware of specific UV levels throughout the day. For instance, midday readings can peak at 6, indicating a high risk of harm from unprotected sun exposure. Stay informed and protected to enjoy the beautiful Swedish outdoors safely!
The UV Index for today displays a dynamic increase through the morning, starting from a mild 2 at 07:00. By 10:00, it climbs to 4, peaking at 6 during the midday hours (12:00 and 13:00), indicating a heightened risk of harm from unprotected sun exposure. As the afternoon progresses, the index gradually decreases, dropping to 4 by 15:00 and 3 by 17:00. As the sun sets, the UV levels lower significantly, reaching 1 by 19:00. It's essential to take precautions during the peak hours to enjoy the sun safely!
| 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 | 5 | moderate | 30 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 3 | 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Roknaes | 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 |