UV Index
UV Index
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Today's UV index in Trondheim, Norway 
will be up to 0.1, 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 Trondheim, reaching up to 0.1. Remember sunglasses and SPF 30+ on sunny days, and be cautious around reflective surfaces like sand, water, and snow for increased UV exposure.
The UV index in Trondheim, Norway is generally low due to its high latitude. It rarely reaches extreme levels, even in the summer months.
Trondheim experiences four distinct seasons. Winters are cold and snowy, with temperatures often below freezing. Spring brings milder temperatures and longer days. Summers are mild and relatively short, with temperatures rarely exceeding 20°C. Autumn sees falling leaves and cooler weather.
Compared to its region and neighboring countries, Trondheim's weather is relatively mild. Despite its northern location, the Gulf Stream moderates its climate, preventing extreme cold. Nearby cities in Sweden and Finland, at similar latitudes, experience much colder winters.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Trondheim. It's designed to provide you with a better understanding of the yearly weather and sun exposure.