UV Index
UV Index
Today's UV index in Nantes, France 
will be up to 7.1, 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: 2025-06-01
With Nantes's UV index reaching 7.1, 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.
Nantes has a moderate UV index that varies with the seasons, typically ranging from low in winter to moderate or high in summer. UV levels are highest around midday during the warmest months.
Nantes experiences mild, wet winters and warm, relatively dry summers. Spring and autumn are cool and often rainy. Seasonal changes are noticeable but not extreme, with temperatures rarely dropping far below freezing or rising too high.
Compared to other parts of France, Nantes has milder winters and less sunshine than the south but more rain than inland areas. Nearby countries like the UK and Germany often have similar or cooler and wetter weather patterns.
See the UV index hour by hour for Nantes, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.