UV Index in Ruen, Bulgaria

Last updated: May 3, 2025

In Ruen, Bulgaria, awareness of the UV Index is vital for ensuring skin health and preventing sunburn. Understanding UV levels helps residents and visitors alike to make informed decisions about sun exposure, particularly during peak hours when the risk is significantly heightened. Nestled in a Cfa climate zone, Ruen experiences warm summers that can lead to dangerously high UV readings, with an index peaking at 9 around midday. By staying informed about local UV conditions, you can enjoy the beautiful Bulgarian sunshine while protecting your skin from ultraviolet damage.

Hourly UV Index in Ruen

As the sun rises, the UV Index begins its gradual ascent. At 7:00 AM, it starts at a modest 1, indicating minimal risk. By 8:00 AM, it rises to 2, still manageable for early risers. The intensity picks up at 9:00 AM with a 3, signaling the need for a little sunscreen. The peak arrives between 11:00 AM and 1:00 PM, where it soars to a striking 9 at 1:00 PM, which suggests strong sun protection is essential. Following this, the index slips down, recorded at 8 at 2:00 PM and 7 at 3:00 PM, offering a brief reprieve. As the afternoon fades into evening, the UV Index drops steadily, landing back at 1 by 7:00 PM. Stay informed and protect your skin 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
11:007high25 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 Ruen

Throughout the year, UV Index levels vary significantly, indicating changing sun exposure risks. The months of May through August are particularly notable, as they experience a very high UV Index of 9, with a burn time of only 15 minutes—marking them as high-risk months for sunburn. In contrast, the winter months of January and December show a low UV Index of 2, allowing up to 45 minutes of exposure with minimal risk. As spring transitions into summer, it's vital for both visitors and residents to take precautions during the high-risk months: wear sunscreen, seek shade during peak hours, and consider protective clothing to reduce UV exposure. As the season shifts into fall and winter, the risk decreases, but staying informed remains essential year-round.

Monthly Maximum UV Index for Ruen, Bulgaria

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Ruen. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec246799997532
Data source: Statistical UV Index data for Ruen, 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 Ruen UV Index with Other Bulgaria Cities

The table above highlights how UV exposure in Ruen compares to other major locations across Bulgaria. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Ruen's solar exposure compared to other cities in Bulgaria. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Ruse UVI246789997532
Varna UVI246789997532
Ruen246799997532
Burgas UVI246799997532
Plovdiv UVI2468910997632
Sofia UVI24779101097632