UV Index in Yli-Ii, Finland

Last updated: July 2, 2025

Understanding the UV Index in Yli-Ii, Finland is crucial for protecting your skin and overall health. This measurement informs residents and visitors about the potential risks of UV radiation, helping to prevent sunburn and long-term skin damage. Given Yli-Ii’s cool, temperate climate, you might be surprised to learn that UV levels can peak at 6 during midday hours, posing significant risks even in less intense sun conditions. Staying aware of these levels is essential for making safe choices about outdoor activities and safeguarding your skin health throughout the year.

Hourly UV Index in Yli-Ii

As the sun rises, the UV Index gradually climbs, starting at a modest 1 at 7:00 AM. By 8:00 AM, it nudges up to 2, signaling a gentle increase in sun intensity. However, the real peak occurs between 11:00 AM and 1:00 PM, where the index reaches a robust 5 and then soars to 6 at 1:00 PM—the sun's fierce rays are at their most potent. Afterward, the index begins to decline gradually, dropping back to 5 by 2:00 PM, then diminishing steadily to 2 by 7:00 PM as the day winds down. This cycle paints a clear picture: the midday hours demand extra care to protect your skin, while early mornings and late afternoons offer a more manageable sun exposure. Remember to stay safe in the sun!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
TimeUVICategoryTime to Burn
07:001low45 min
08:002low45 min
09:003moderate30 min
10:004moderate30 min
11:005moderate30 min
12:005moderate30 min
13:006high25 min
14:005moderate30 min
15:005moderate30 min
16:004moderate30 min
17:003moderate30 min
18:002low45 min
19:002low45 min

Monthly UV Index Trends in Yli-Ii

During the year, the UV Index varies significantly, indicating fluctuating levels of sun exposure risk. From January to February, the UV Index remains low at 1, with a burn time of 45 minutes, making it relatively safe for outdoor activities. As spring approaches, the index rises to 2 in March and reaches 3 in April, transitioning into the moderate category with a burn time of 30 minutes. The high-risk months occur in June and July, when the UV Index peaks at 6, necessitating cautious sun exposure, since the burn time is reduced to just 25 minutes. In August, the UV Index decreases slightly to 4, followed by a gradual decline to 3 in September and 2 in October. By November and December, the UV Index drops back to 1, again allowing for 45 minutes of safe exposure. Visitors and residents are advised to take greater precautions during the summer months and to use sunscreen, wear protective clothing, and seek shade, especially during peak hours.

Monthly Maximum UV Index for Yli-Ii, Finland

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Yli-Ii. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec112456643111
Data source: Statistical UV Index data for Yli-Ii, based on information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

Compare Yli-Ii UV Index with Other Finland Cities

The table above highlights how UV exposure in Yli-Ii compares to other major locations across Finland. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Yli-Ii's solar exposure compared to other cities in Finland. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Yli-Ii112346643211
Tampere UVI113456653211
Vantaa UVI113457754211
Espoo UVI113457754211
Helsinki UVI113457754211
Turku UVI123457754211