UV Index in Rijeka, Croatia

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents and visitors in Rijeka, Croatia, where the Mediterranean climate brings bright sunlight and warm days. With peak UV levels reaching as high as 8 during the summer months, awareness of UV exposure is vital for preventing sunburn and safeguarding skin health. This knowledge empowers you to enjoy the beautiful coastline and outdoor activities while minimizing risks such as skin damage. As a charming city located in a climate zone characterized by mild summers, Rijeka demands vigilance when it comes to sun safety—so keep an eye on the UV Index for a healthier, happier time in the sun!

Hourly UV Index in Rijeka

The UV Index experiences a steady rise throughout the morning, starting at a low of 1 at 07:00 and peaking at 8 from 12:00 to 14:00. This midday intensity highlights the importance of sun protection during these hours. As the day progresses, the value begins to taper off, dropping to 6 at 15:00, before declining further to 3 by 17:00. By the evening, the UV Index falls back to 1 at 19:00, signaling a much safer time to enjoy outdoor activities. It's clear that, for optimal sun safety, those planning to be outside should take extra precautions during the peak hours around midday!

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
13:008very high15 min
14:008very high15 min
15:006high25 min
16:004moderate30 min
17:003moderate30 min
18:002low45 min
19:001low45 min

Monthly UV Index Trends in Rijeka

Throughout the year, the UV Index fluctuates markedly, with high-risk months typically occurring from April to August. During this period, the UV Index regularly reaches very high levels, particularly in May, June, and July, where a burn time of just 15 minutes indicates an increased risk of skin damage. As the year transitions towards autumn and winter, the UV Index drops to moderate and then low, with safer exposure times of 30 to 45 minutes in effect during the colder months. Visitors and residents are advised to take precautions during the high-risk months by wearing sunscreen, protective clothing, and seeking shade, especially during midday hours when the sun's rays are strongest. Staying informed about the daily UV Index can help ensure safe and enjoyable outdoor activities year-round.

Monthly Maximum UV Index for Rijeka, Croatia

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Rijeka. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec235789987532
Data source: Statistical UV Index data for Rijeka, 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 Rijeka UV Index with Other Croatia Cities

The table above highlights how UV exposure in Rijeka 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.
Rijeka's solar exposure compared to other cities in Croatia. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Osijek UVI235689987532
Zagreb UVI235689986532
Rijeka235689987532
Zadar UVI245789987532
Split UVI24678101097532