UV Index in Troisdorf, Germany

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of Troisdorf, Germany, as it plays a vital role in maintaining skin health and preventing sunburn. With the climate classified as Cfb, Troisdorf experiences moderate summers that can lead to elevated UV levels, especially during midday hours. Awareness of local UV levels not only helps inform your outdoor activities but also ensures you take necessary precautions against harmful ultraviolet radiation. During peak hours, particularly around noon, UV Index values can soar to 8, making it essential to protect yourself for safe sun exposure. Stay informed and prioritize your skin’s health while enjoying the beauty of Troisdorf!

Hourly UV Index in Troisdorf

Starting the day with a gentle UV Index of 1 at 7:00 AM, the sun gradually climbs higher. By 10:00 AM, the index reaches 5, signaling a noticeable increase in sunlight intensity. The peak UV Index occurs between 12:00 PM and 2:00 PM, soaring to 8, emphasizing the need for sun protection during these hours. As the afternoon unfolds, the index slightly dips, dropping to 6 by 4:00 PM, and further declining to 3 by 6:00 PM. As daylight fades, the UV Index returns to 1 by 7:00 PM, marking the end of a day bathed in sunshine. Remember to stay safe in the sun during those peak hours!

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
10:005moderate30 min
11:006high25 min
12:008very high15 min
13:008very high15 min
14:008very high15 min
15:007high25 min
16:006high25 min
17:004moderate30 min
18:003moderate30 min
19:001low45 min

Monthly UV Index Trends in Troisdorf

Throughout the year, UV Index values fluctuate significantly, indicating varying levels of sun exposure risk. The high-risk months are from May to August, where the UV Index reaches its peak at 7-8, classifying them as high to very high exposure. Specifically, June and July present the greatest risk, with a burn time of only 15 minutes. In contrast, the winter months (January, February, November, and December) show a low exposure category with UV Index values of 1-2, allowing for longer safe sun exposure (up to 45 minutes). To ensure safety, it is advisable for visitors and residents to take protective measures during the high UV months, such as wearing sunscreen, protective clothing, and seeking shade, especially during midday hours.

Monthly Maximum UV Index for Troisdorf, Germany

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Troisdorf. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Statistical UV Index data for Troisdorf, 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 Troisdorf UV Index with Other Germany Cities

The table above highlights how UV exposure in Troisdorf 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.
Troisdorf's solar exposure compared to other cities in Germany. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Hamburg UVI123578775321
Berlin UVI124578775321
Koeln UVI124578875421
Troisdorf124578875421
Frankfurt am Main UVI234588875421
Munich UVI235689986421