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UV Index in Joensuu

UV index


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Today's UV index in Joensuu, Finland Finland will be up to 4.9, 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.


Today's tips

With a UV index reaching up to 4.9 in Joensuu, 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.

Joensuu's UV Index

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.

Weather Seasons

UV index

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.

Joensuu's Climate

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.

Annual Sun Radiation

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.


* This page's content about the UV index in Joensuu (Finland) is for educational and informational purposes only. The developers and data providers are not liable for the accuracy, reliability, or availability of the information. The information is not a substitute for professional medical advice, and the developers and data providers are not medical professionals. Seek advice from a qualified health provider for any medical concerns, and do not disregard medical advice or delay seeking it based on the information provided on this site.