Last updated: June 2, 2025
In Muonio, Finland, staying informed about the UV Index is essential for maintaining skin health and preventing sunburn, especially during the brighter summer months. Understanding UV levels can empower residents and visitors alike to take appropriate precautions when outdoors, as even moderate exposure can lead to harmful effects. With Muonio's Dfc climate, characterized by cool summers and short sunny periods, UV exposure risks can often be underestimated. As the sun reaches its zenith, the UV Index can climb to levels that warrant protection, highlighting the need for vigilance against potential skin damage while enjoying the beautiful landscapes of this unique region.
As the sun rises, the UV Index gradually climbs, starting at a mild 1 at 7:00 AM. By 8:00 AM, it reaches 2, indicating that sun protection may be needed for extended outdoor activities. The intensity peaks at 12:00 PM and continues until 3:00 PM, where it holds steady at a robust 5—perfect for a midday adventure but necessitating caution to avoid sunburn. The afternoon sees a gentle decline, with values dropping back to 2 by 7:00 PM. Remember to stay safe and protect your skin during those heightening UV times!
| 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 | 4 | moderate | 30 min |
| 11:00 | 4 | moderate | 30 min |
| 12:00 | 5 | moderate | 30 min |
| 13:00 | 5 | moderate | 30 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 | 2 | low | 45 min |
The seasonal UV changes indicate that UV exposure is generally low during the winter months (January through March), with an index of 1 and a burn time of 45 minutes. As spring arrives, the UV Index begins to rise, reaching moderate levels (3 to 5) from April through August, with the highest risk months in June and July, where the index peaks at 5 and the burn time shortens to 30 minutes. September sees a slight decline, but the index remains moderate. By late fall and winter (October through December), UV levels drop back to low, allowing for safer sun exposure with a burn time of 45 minutes. Visitors and residents are advised to be especially cautious during the summer months when UV exposure is most intense; sunscreen, protective clothing, and limiting time in direct sunlight are highly recommended to mitigate the risks of sunburn and skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muonio | 1 | 1 | 2 | 3 | 4 | 5 | 5 | 4 | 3 | 1 | 1 | 0 |
| Tampere UVI | 1 | 1 | 3 | 4 | 5 | 6 | 6 | 5 | 3 | 2 | 1 | 1 |
| Vantaa UVI | 1 | 1 | 3 | 4 | 5 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |
| Espoo UVI | 1 | 1 | 3 | 4 | 5 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |
| Helsinki UVI | 1 | 1 | 3 | 4 | 5 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |
| Turku UVI | 1 | 2 | 3 | 4 | 5 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |