UV Index in Gradec, Croatia

Last updated: July 2, 2025

Being aware of the UV Index in Gradec, Croatia is crucial for protecting your skin while enjoying the beautiful, temperate climate. Understanding UV levels helps in preventing sunburn and maintaining long-term skin health, especially during peak hours when the index soars to 9—a sign of high risk for harm from unprotected sun exposure. Given Gradec's Cfb climate, residents and visitors alike should be informed about local UV exposure risks, particularly mid-day when the sun's intensity is strongest, ensuring that everyone can safely bask in the charm of this lovely region.

Hourly UV Index in Gradec

The UV Index reveals a dynamic day of sun exposure, starting with a gentle 1 at 07:00 and gradually ramping up as the morning unfolds. By 09:00, it climbs to 4, reaching a more noteworthy 6 at 10:00. As the sun reaches its zenith, the UV Index peaks at 9 during the crucial hours of 12:00 and 13:00, indicating a high risk of harm from unprotected sun exposure. The intensity begins to wane after 14:00, settling to 7 at 15:00 before gradually decreasing to 1 by 19:00. Remember to protect your skin between 11:00 and 14:00 when the sun’s rays are at their most dangerous!

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
12:009very 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 Gradec

During the year, UV index levels fluctuate significantly, indicating varying risks for skin damage from sun exposure. The low-risk months are January, December (UV Index 2), and November, February, October (UV Index 3), where exposure is generally safe with longer burn times of 30-45 minutes. As the season progresses into March and April (UV Index 5-6), caution is advised as burn times decrease to 25-30 minutes. The high-risk months, notably May through August (UV Index 8-9), present very high UV exposure, with burn times shortening dramatically to just 15 minutes. In September, risk lowers slightly (UV Index 6) but remains significant with a burn time of 25 minutes. Visitors and residents are strongly encouraged to protect their skin, especially during peak UV months, by wearing sunscreen, protective clothing, and seeking shade whenever possible to minimize potential harm.

Monthly Maximum UV Index for Gradec, Croatia

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Gradec. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec235689986432
Data source: Statistical UV Index data for Gradec, 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 Gradec UV Index with Other Croatia Cities

The table above highlights how UV exposure in Gradec compares to other major locations across Croatia. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Gradec's solar exposure compared to other cities in Croatia. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Gradec235689986432
Osijek UVI235689987532
Zagreb UVI235689986532
Rijeka UVI235689987532
Zadar UVI245789987532
Split UVI24678101097532