UV Index in Heiligenkreuz, Austria

Last updated: June 2, 2025

Understanding the UV Index in Heiligenkreuz, Austria is essential for protecting your skin and promoting overall skin health. As the UV levels fluctuate throughout the day, awareness is key to preventing sunburn and reducing the risk of long-term skin damage. With Heiligenkreuz’s Dfb climate, you can expect varying degrees of UV exposure, peaking at a high index of 9 around 1 PM. So, whether you're enjoying outdoor activities or simply soaking up the sun, knowing the UV Index helps you make informed choices to stay safe and healthy under the Austrian sun.

Hourly UV Index in Heiligenkreuz

The UV Index throughout the day reaches its peak around 1 PM, soaring to a high of 9. Early morning hours see a gentle rise, starting at 1 by 7 AM and gradually increasing to 4 by 9 AM. As the sun climbs higher, the index ramps up significantly, hitting 8 at 12 PM and declining thereafter. From 1 PM onward, the intensity begins to wane, dropping to 7 at 3 PM, then settling to a comfortable 3 by 5 PM. By evening, the index gently tails off, marking 2 by 6 PM and back to a restful 1 by 7 PM. Stay protected during those peak hours to enjoy the sunshine safely!

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
09:004moderate30 min
10:006high25 min
11:007high25 min
12:008very high15 min
13:009very high15 min
14:008very high15 min
15:007high25 min
16:005moderate30 min
17:003moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Heiligenkreuz

Throughout the year, UV levels vary significantly, with the highest risk months occurring from May to August, where the UV Index reaches a peak of 9 in June and remains at 8 during July and August, indicating a very high exposure category and a critical burn time of just 15 minutes. In contrast, winter months see much lower UV levels, with January and November registering a UV Index of 2 and December dropping to 1, categorized as low exposure. Visitors and residents should exercise caution during the high-risk months by minimizing sun exposure, wearing protective clothing, and applying sunscreen regularly, particularly between late spring and early fall when UV radiation is at its strongest.

Monthly Maximum UV Index for Heiligenkreuz, Austria

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Heiligenkreuz. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec235689886421
Data source: Statistical UV Index data for Heiligenkreuz, 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 Heiligenkreuz UV Index with Other Austria Cities

The table above highlights how UV exposure in Heiligenkreuz compares to other major locations across Austria. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Heiligenkreuz's solar exposure compared to other cities in Austria. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Vienna UVI235688876421
Linz UVI235689986421
Heiligenkreuz235689886421
Graz UVI235689986431
Salzburg UVI236789986432
Innsbruck UVI24779101097532