UV index today  UV Index

UV Index in Lyon, FR

UV index


Cloud cover



00.0 ℃


Today's UV index in Lyon, France France will be up to 1.1, 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 Lyon, reaching up to 1.1. Remember sunglasses and SPF 30+ on sunny days, and be cautious around reflective surfaces like sand, water, and snow for increased UV exposure.

Lyon Weather

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

UV Index in Lyon

Lyon experiences a UV index ranging from moderate to high throughout the year. In summer (June to August), the UV index can reach levels of 8 (high), which means it is essential to take precautions like wearing sunscreen and protecting your skin from direct sun exposure. Even in the colder months, such as winter (December to February), the UV index can still be moderate, around 4 (moderate), so it's a good idea to be mindful of sun protection year-round in Lyon.

Weather Seasons

UV index

Lyon has distinct seasons, with warm summers and cold winters. Summer temperatures average around 25 °C (77 °F), with occasional heatwaves pushing the mercury into the high 30s °C (mid-90s °F). Spring (March to May) and autumn (September to November) offer pleasant weather, with temperatures ranging from 10 °C to 20 °C (50 °F to 68 °F). Winters in Lyon can be chilly, with average temperatures ranging from 2 °C to 7 °C (36 °F to 45 °F). Snowfall is infrequent but possible during winter months.

Lyon's Climate

Compared to its region, Lyon enjoys a moderate level of sun exposure. Cities in the south of France, like Marseille and Nice, receive more sunlight hours annually due to their proximity to the Mediterranean Sea. Nonetheless, Lyon still averages around 2,000 annual hours of sunshine. Its location in the Rhône-Alpes region provides a mix of continental and Mediterranean influence, resulting in a pleasant climate with warm summers and relatively mild winters.

Annual Sun Radiation

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