UV Index in Frankfurt am Main, Germany

Last updated: May 3, 2025

Understanding the UV Index in Frankfurt am Main, Germany is crucial for safeguarding your skin and overall health. With the city experiencing a Cfb climate, the summer months can bring significant UV exposure, peaking from late morning to early afternoon when values can reach as high as 8. Awareness of UV levels is essential not only for preventing painful sunburn but also for reducing the risk of long-term skin damage. Keeping an eye on the UV Index helps you make informed choices about sun protection, ensuring you can enjoy the outdoor beauty of Frankfurt while minimizing potential health risks.

Hourly UV Index in Frankfurt am Main

The UV Index throughout the day showcases a dynamic range of solar intensity. At 07:00, it starts off gently at 1, perfect for early risers. As the sun climbs higher, the index rises to 2 by 08:00 and hits 3 by 09:00, indicating a gradual increase in UV exposure. The peak arrives at 13:00 with an impressive 8, urging outdoor enthusiasts to take precautionary measures. Following this, the intensity begins to recede, dropping to 6 by 15:00, and decreasing to 5 by 16:00. As dusk descends, the UV Index cools down to 2 at 18:00, finally settling back at 1 by 19:00. It’s a vivid reminder of how the sun's strength can fluctuate dramatically throughout the day!

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
11:006high25 min
12:007high25 min
13:008very high15 min
14:007high25 min
15:006high25 min
16:005moderate30 min
17:003moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Frankfurt am Main

Throughout the year, the UV Index fluctuates significantly, reflecting seasonal changes in sun exposure. From January to April, the UV Index remains relatively low to moderate, with burn times increasing from 45 minutes in January to 30 minutes by April. However, May through July marks the high-risk period with a very high UV Index of 8, where even short exposures of 15 minutes can lead to sunburn. August sees a slight decline to a high risk level of 7, with a burn time of 25 minutes. As autumn approaches in September and October, the index decreases again to moderate levels, allowing a burn time of 30 minutes. By November and December, the UV exposure drops to low levels, with safe burn times returning to 45 minutes. For both visitors and residents, it is essential to remain vigilant during the high-risk months of May to August, ensuring adequate sun protection measures are in place, such as applying sunscreen, wearing protective clothing, and seeking shade during peak hours to minimize the risk of UV-related health issues.

Monthly Maximum UV Index for Frankfurt am Main, Germany

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Frankfurt am Main. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec234588875421
Data source: Statistical UV Index data for Frankfurt am Main, 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 Frankfurt am Main UV Index with Other Germany Cities

The table above highlights how UV exposure in Frankfurt am Main compares to other major locations across Germany. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Frankfurt am Main's solar exposure compared to other cities in Germany. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Hamburg UVI123578775321
Berlin UVI124578775321
Koeln UVI124578875421
Frankfurt am Main234588875421
Munich UVI235689986421