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UV Index in Basel, CH

UV index


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Today's UV index in Basel, Switzerland Switzerland will be up to 1, 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 Basel, reaching up to 1. Remember sunglasses and SPF 30+ on sunny days, and be cautious around reflective surfaces like sand, water, and snow for increased UV exposure.

Basel Weather

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

UV Index in Basel

The UV index in Basel, Switzerland can vary throughout the year. In summer (June-August), when the sun's rays are more direct, the UV index can reach high levels, ranging from 6 to 9 (high to very high). It's important to protect your skin by using sunscreen, wearing protective clothing, and seeking shade during peak hours to minimize the risk of sunburn and skin damage.

Weather Seasons

UV index

Basel experiences four distinct seasons: spring, summer, autumn, and winter. Spring (March-May) is mild and gradually gets warmer, with temperatures ranging from 5 °C to 16 °C (41 °F to 61 °F). Summer (June-August) brings warm temperatures, averaging between 15 °C to 25 °C (59 °F to 77 °F), with occasional heatwaves reaching up to 35 °C (95 °F). Autumn (September-November) is characterized by mild temperatures, ranging from 9 °C to 18 °C (48 °F to 64 °F), and colorful foliage. Winter (December-February) is cold, with temperatures ranging from -1 °C to 6 °C (30 °F to 43 °F), occasionally dropping below freezing point.

Basel's Climate

Compared to other regions in Switzerland, Basel generally enjoys a milder climate due to its location in the Rhine River Valley. However, it also means less wind circulation, which can lead to stagnant air in summer and potential for heatwaves. Basel experiences considerable sunshine throughout the year, with around 2,000 to 2,200 hours of annual sunshine. This makes it a great place for outdoor activities and enjoying the city's vibrant atmosphere.

Annual Sun Radiation

The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Basel. 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 Basel (Switzerland) 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.