UV Index
UV Index
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Today's UV index in Nantes, France 
will be up to 5.2, indicating a moderate level of sun exposure for the average person. Check the annual sun radiation in the city and our tips for today to make sure you're safe in the sun.
With a UV index reaching up to 5.2 in Nantes, stay shaded during midday when the sun is strongest; wear protective clothing, a wide-brimmed hat, UV-blocking sunglasses; apply SPF 30+ sunscreen every 2 hours, even on cloudy days; and be cautious of heightened UV on bright surfaces.
The UV index in Nantes, France, averages around 5 during summer months and 1 during winter months. This is considered moderate to low, meaning that sunburn and skin damage are not high risks.
Nantes experiences a temperate oceanic climate, with four distinct seasons. Spring brings mild temperatures and blooming flowers, while summer is warm and sunny, with occasional rain. Autumn sees leaves changing colors and falling, and winter is typically mild and damp.
Compared to its region in western France, Nantes has a milder climate due to its proximity to the Atlantic Ocean. Neighboring countries such as Spain and Italy have a Mediterranean climate, with hotter, drier summers and milder winters. Northern European countries like England and Belgium have a similar climate to Nantes, but with cooler temperatures throughout the year.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Nantes. It's designed to provide you with a better understanding of the yearly weather and sun exposure.