UV Index in Rajec, Slovakia

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents of Rajec, Slovakia, where the combination of a humid continental climate and increasing sun exposure can pose significant risks to skin health. Knowing the UV levels throughout the day is essential for sunburn prevention and for safeguarding your skin from long-term damage. In Rajec, you can expect higher UV ratings, peaking around noon with an index of 9, indicating a strong potential for harm. Being aware of this information empowers you to take necessary precautions, such as seeking shade or applying sunscreen, ensuring a safe and enjoyable time outdoors.

Hourly UV Index in Rajec

As the sun rises, the UV Index begins its ascent, reaching a gentle 1 at 07:00. By 08:00, it doubles to 2, slowly warming up for the day ahead. Things heat up significantly by 09:00, hitting 4, and by 10:00, it climbs to a peak of 6. The zenith arrives at 12:00, where the index stands tall at 8, and by 13:00, it reaches a sizzling 9—the highest point of the day. As the afternoon wears on, the UV intensity begins to wane, dropping to 8 at 14:00 and then to 6 at 15:00. By 16:00, it cools further to 5, retreating to 3 by 17:00. The evening brings relief as the UV Index transitions back down to 2 at 18:00 and finally returns to a mild 1 by 19:00. This hourly journey highlights the importance of sun safety, especially during those midday hours when the UV rays are at their fiercest.

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
12:007high25 min
13:008very high15 min
14:007high25 min
15:006high25 min
16:004moderate30 min
17:002low45 min
18:001low45 min
19:001low45 min

Monthly UV Index Trends in Rajec

Throughout the year, UV Index levels demonstrate significant seasonal variations, impacting sun exposure safety. The high-risk months for UV exposure are from April to August, with the highest readings occurring in June and July, where the UV Index reaches 9, classified as very high, and resulting in a burn time of just 15 minutes. As spring transitions to summer, caution is advised; during these months, it’s essential for both visitors and residents to take protective measures such as wearing sunscreen, protective clothing, and seeking shade when outdoors. Conversely, the months of January, November, and December feature low UV levels, making sun protection less critical. However, as the UV Index increases from February through March, awareness of sun safety should gradually rise, particularly as activities in outdoor settings become more frequent.

Monthly Maximum UV Index for Rajec, Slovakia

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Rajec. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec235679986421
Data source: Statistical UV Index data for Rajec, 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 Rajec UV Index with Other Slovakia Cities

The table above highlights how UV exposure in Rajec compares to other major locations across Slovakia. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Rajec's solar exposure compared to other cities in Slovakia. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Presov UVI235678876421
Kosice UVI235678876421
Bratislava UVI235688876421
Nitra UVI235689886421
Rajec235679986421
Zilina UVI235679986421