UV Index in Vrtojba, Slovenia

Last updated: June 2, 2025

In Vrtojba, Slovenia, awareness of the UV Index is essential for safeguarding your skin health amidst its Cfb climate. Understanding the daily fluctuations in UV levels, particularly during peak hours, can empower residents and visitors alike to take proactive measures against sunburn and long-term skin damage. With UV Index values soaring as high as 9 from 12 PM to 2 PM, the risk for harm increases significantly, making it crucial to plan outdoor activities wisely and protect yourself under the sunny skies of this beautiful region. Enjoy your time in Vrtojba, but remember to stay informed and shield yourself from harmful ultraviolet rays!

Hourly UV Index in Vrtojba

The UV Index throughout the day started off low, with 1 at 07:00, gradually rising as the sun climbed higher in the sky. By 09:00, it reached a moderate 4, but the real peak came at 12:00 with an impressive 9—a perfect reminder to apply sunscreen! As the afternoon unfolded, the UV levels remained high, hovering around 8 at 14:00 and dipping slightly to 7 by 15:00. As the sun began to set, the index gracefully descended, dropping to 3 by 17:00, and finally returning to a safe 1 by 19:00. This daily cycle underscores the importance of sun safety, particularly during those high noon 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
09:004moderate30 min
10:005moderate30 min
11:007high25 min
12:009very 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 Vrtojba

Throughout the year, UV Index levels show significant seasonal changes, with high-risk months occurring from April to August. During these months, the UV Index peaks at 9, indicating a very high exposure category during June and July, where the burn time is only 15 minutes. Visitors and residents should take caution, especially in May, June, July, and August, when skin protection measures are essential, such as using sunscreen, wearing protective clothing, and seeking shade. As summer transitions to fall, UV levels gradually decrease; however, moderate exposure levels in April and October warrant continued awareness. The lowest UV indexes are found in January and December, categorizing them as low risk with longer burn times of 45 minutes, offering a reprieve from sun-related hazards.

Monthly Maximum UV Index for Vrtojba, Slovenia

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Vrtojba. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec235689987432
Data source: Statistical UV Index data for Vrtojba, 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 Vrtojba UV Index with Other Slovenia Cities

The table above highlights how UV exposure in Vrtojba compares to other major locations across Slovenia. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Vrtojba's solar exposure compared to other cities in Slovenia. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maribor UVI235689986432
Celje UVI235689986432
Vrtojba235689987432
Velenje UVI235689986432
Kranj UVI235689987432
Ljubljana UVI235689987532