Today, the UV index suggests low sun danger (0-2) in Nantes, reaching up to 0.9. Remember sunglasses and SPF 30+ on sunny days, and be cautious around reflective surfaces like sand, water, and snow for increased UV exposure.
Read more here about the climate and sun exposure in and around Nantes.
The UV index in Nantes can vary throughout the year. In summer (June-August), the UV index can reach levels of 6 or higher, which means a high risk of sunburn. It is important to use sunscreen and protective clothing during this time. In winter (December-February), the UV index is generally low, around 1 or 2, but it is still advisable to take precautions when spending time outdoors.
Nantes experiences four distinct seasons. In spring (March-May), temperatures range from 8 °C (46 °F) to 16 °C (61 °F), with occasional rain showers and blossoming flowers. Summer (June-August) is warm and pleasant, with temperatures averaging between 16 °C (61 °F) and 25 °C (77 °F). Autumn (September-November) brings cooler temperatures, ranging from 10 °C (50 °F) to 18 °C (64 °F), and colorful foliage. Winter (December-February) is mild to cool, with temperatures averaging between 3 °C (37 °F) and 10 °C (50 °F), and occasional rainfall.
Compared to its neighboring regions, Nantes enjoys a relatively moderate climate with a good balance of sunshine and rainfall. The coastal location provides Nantes with a maritime influence, resulting in cooler summers and milder winters compared to inland areas. Nevertheless, sun exposure should be considered, especially during the summer months when the sun's rays are stronger. It is recommended to seek shade, wear sunglasses, and follow other sun protection measures to minimize the risk of sunburn and other related health concerns.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Nantes. It's designed to provide you with a better understanding of the yearly weather and sun exposure.