UV Index
UV Index
Today's UV index in Joensuu, Finland 
will be up to 3.3, indicating a moderate level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.
Last checked: 2025-05-09
With a UV index reaching up to 3.3 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.
The UV index in Joensuu is generally low to moderate, ranging from 0 in winter to around 5 or 6 during summer months, peaking in June and July. Seasonal patterns in Joensuu include cold, snowy winters with temperatures often below freezing, and mild summers with temperatures around 15 to 20 degrees Celsius. The region experiences distinct seasons, with spring and autumn being short and cool. Compared to southern Finland and neighboring countries like Sweden and Russia, Joensuu is colder in winter and has a shorter summer. Its location in eastern Finland means it gets more snow and lower temperatures than coastal areas.
See the UV index hour by hour for Joensuu, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.