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UV Index in Ljubljana

Day Summary

Today's UV index in Ljubljana, Slovenia Slovenia will be up to 6.8, indicating a high level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.

Last checked: 2025-05-12

Forecast

Today's tips

With Ljubljana's UV index reaching 6.8, protect your skin from harm by staying in shade, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours, especially between 10 a.m. and 4 p.m. when UV rays are strongest.

Ljubljana's UV Index

The UV index in Ljubljana varies throughout the year, reaching its highest levels around 7 to 8 during summer months and dropping to 0 to 1 in winter. This means the sun’s strength is strongest in summer.

Weather Seasons

UV index

Ljubljana experiences four seasons: cold winters with occasional snow, mild springs with blooming flowers, warm summers often above 25°C (77°F), and cooler autumns with falling leaves. Rainfall is spread fairly evenly but peaks in spring and autumn.

Ljubljana's Climate

Compared to other parts of Slovenia, Ljubljana has moderate temperatures and rainfall. Cities closer to the coast, like Koper, are milder in winter and warmer in summer, while mountainous areas like Bled are cooler and snowier. Neighboring countries like Italy and Austria also show similar seasonal changes but differ in altitude and climate zones.

Hourly Trend

See the UV index hour by hour for Ljubljana, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.

Disclaimer

* This page's content about the UV index in Ljubljana (Slovenia) is for educational and informational purposes only. The developers and data providers are not liable for the accuracy, reliability, or availability of the information. The information is not a substitute for professional medical advice, and the developers and data providers are not medical professionals. Seek advice from a qualified health provider for any medical concerns, and do not disregard medical advice or delay seeking it based on the information provided on this site.