Last updated: August 1, 2025
In Muonio, Finland, staying informed about the UV Index is vital for maintaining your skin health and preventing sunburn. Understanding the UV levels throughout the day helps residents and visitors alike make informed decisions about sun exposure, especially during the peak hours when the index can reach up to 5. Muonio's Dfc climate brings long daylight hours in summer, increasing the risk of UV exposure even at moderate levels. Be proactive in protecting your skin by monitoring the UV Index, ensuring you enjoy the beauty of Muonio safely!
As the sun rises, the UV Index begins its ascent, starting at a mild 1 at 07:00. By 08:00, it climbs to a 2, signaling the need for a bit of caution. The UV intensity peaks at 5 from 12:00 to 15:00, a crucial time when protective measures are essential for outdoor activities. After this midday high, the index gradually declines, reaching 4 by 16:00 and dropping back to 2 by 19:00. This hourly progression highlights the importance of being sun-smart, especially during those peak hours when the UV rays are at their strongest. Stay safe and enjoy the sunshine!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 2 | low | 45 min |
| 11:00 | 3 | 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 | 2 | low | 45 min |
| 19:00 | 1 | 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 |