UV Index
UV Index
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Today's UV index in Leiden, Netherlands 
will be up to 1.2, indicating a low 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.
Today, the UV index suggests low sun danger (0-2) in Leiden, reaching up to 1.2. Remember sunglasses and SPF 30+ on sunny days, and be cautious around reflective surfaces like sand, water, and snow for increased UV exposure.
Leiden, South Holland, Netherlands experiences a temperate maritime climate, with moderate temperatures and rainfall throughout the year. The city's UV index is generally low, ranging from 2 in winter to 6 in summer, making it suitable for outdoor activities.
Leiden has four distinct seasons, with winters being cool and wet, springs being mild, summers being warm, and autumns being cool and rainy. The region's weather patterns are influenced by its proximity to the North Sea, resulting in mild winters and cool summers compared to inland Europe.
Compared to neighboring countries, Leiden's weather is similar to that of the UK, with slightly cooler winters and warmer summers than Germany. However, Leiden's proximity to the coast means it experiences more rainfall than inland Netherlands, but less than the UK.