In April, the weather in Kuoloyarvi is typically cold. Average daily high temperature in April is about 1 degree above zero. On average, Kuoloyarvi has 12 rainy, 12 snowy, 5 cloudy, and 1 sunny day in April. The rains are usually moderate. April as well as January, May, June, and July is considered the most uncomfortable time to visit Kuoloyarvi.