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UV Index in Prague, CZ

UV index


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Today's UV index in Prague, Czechia Czechia will be up to 0.8, indicating low risk of harm from the sun's UV rays for the average person. Check our tips for today to make sure you're safe in the sun.


Today's tips

Today, the UV index suggests low sun danger (0-2) in Prague, reaching up to 0.8. Remember sunglasses and SPF 30+ on sunny days, and be cautious around reflective surfaces like sand, water, and snow for increased UV exposure.

Prague Weather

Read more here about the climate and sun exposure in and around Prague.

UV Index in Prague

In Prague, Czechia, the UV index varies throughout the year. During the summer months of June, July, and August, when the sun is strongest, the UV index can reach its highest levels. It is crucial to protect your skin with sunscreen, hats, and sunglasses to avoid sunburn and long-term damage.

Weather Seasons

UV index

Prague experiences four distinct seasons. Spring (March to May) is mild, with temperatures ranging from around 5 °C (41 °F) to 15 °C (59 °F). Summers (June to August) are warm, with average temperatures ranging from 15 °C (59 °F) to 25 °C (77 °F), though heatwaves can push temperatures above 30 °C (86 °F). Autumn (September to November) brings cooler temperatures, ranging from 5 °C (41 °F) to 15 °C (59 °F), and beautiful fall foliage. Winters (December to February) are cold, with temperatures dropping below freezing, from -5 °C (23 °F) to 0 °C (32 °F), and occasional snowfall.

Prague's Climate

Compared to its region, Prague enjoys a similar climate to other cities in Central Europe. It experiences moderate sun exposure throughout the year, with an average of about 6 to 7 hours of sunlight per day. However, during the winter months, shorter days result in reduced daylight hours. It's important to plan activities accordingly and ensure adequate warmth and protection from the chilly temperatures.

Annual Sun Radiation

The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Prague. It's designed to provide you with a better understanding of the yearly weather and sun exposure.


* This page's content about the UV index in Prague (Czechia) 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.