UV Index
UV Index
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Today's UV index in Joensuu, Finland 
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 Joensuu, 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 Joensuu, Finland is typically low due to its high latitude. It reaches a maximum of 6 in the summer months, but stays below 3 for most of the year.
Joensuu experiences four distinct seasons. Winters are long and cold with plenty of snow, while summers are mild and short, with temperatures rarely exceeding 20°C. Spring and autumn are transitional seasons with varying temperatures and weather conditions.
Compared to its region and neighboring countries, Joensuu has a colder climate. Its proximity to the Russian border means it shares similar weather patterns with Eastern Finland and Northwest Russia. While neighboring Sweden and Norway have a similar latitude, their western coasts have a milder climate due to the warming effect of the Gulf Stream.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Joensuu. It's designed to provide you with a better understanding of the yearly weather and sun exposure.