UV Index in Kyustendil, Bulgaria

Last updated: June 2, 2025

In Kyustendil, Bulgaria, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn, especially given the region's Cfb climate that brings warm summers and ample sun exposure. During peak summer months, UV levels can soar, reaching an alarming 10 between 1 PM and 3 PM—making it essential for residents and visitors alike to understand and monitor these levels. By staying informed about UV risks, you can take proactive measures to protect yourself, ensuring that your time outdoors is both enjoyable and safe.

Hourly UV Index in Kyustendil

The UV Index for today showcases a dynamic range of intensity, peaking at 10 between 1 PM and 2 PM. As the sun rises, 07:00 greets us with a gentle 1, escalating to a moderate 3 by 09:00. By mid-morning, the heat intensifies, climbing to 5 at 10:00 and hitting a significant 7 at 11:00. The critical hours arrive at noon, where we reach 9, ultimately culminating in the afternoon peak of 10 at 13:00 and 14:00. As the day progresses, the intensity gradually recedes, dropping to 7 at 16:00, and winding down to 3 by 18:00 and settling back to a safe 1 by 19:00. It’s essential to stay protected during the peak hours when the sun is at its strongest!

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
12:009very high15 min
13:0010very high15 min
14:0010very high15 min
15:009very high15 min
16:007high25 min
17:004moderate30 min
18:003moderate30 min
19:001low45 min

Monthly UV Index Trends in Kyustendil

Throughout the year, UV exposure varies significantly, with the highest risk months falling between April and August. During this peak period, the UV Index reaches very high levels of 8 to 10, resulting in a burn time of just 15 minutes. From March to August, individuals should take extra precautions, such as wearing sunscreen, protective clothing, and seeking shade during peak hours. In contrast, the UV Index is at its lowest in January and December, categorized as low with a burn time of 45 minutes. Visitors and residents should stay vigilant during high-risk months and take proactive measures to safeguard their skin from UV damage.

Monthly Maximum UV Index for Kyustendil, Bulgaria

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Kyustendil. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec24789101097632
Data source: Statistical UV Index data for Kyustendil, 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 Kyustendil UV Index with Other Bulgaria Cities

The table above highlights how UV exposure in Kyustendil 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.
Kyustendil's solar exposure compared to other cities in Bulgaria. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Ruse UVI246789997532
Varna UVI246789997532
Burgas UVI246799997532
Plovdiv UVI2468910997632
Sofia UVI24779101097632
Kyustendil24789101097632