July in Kuoloyarvi is the sunniest and the warmest month of the year. In July, the weather in Kuoloyarvi is typically warm. Average daily high temperature in July is about 16 degrees above zero. On average, Kuoloyarvi has 20 rainy, 5 sunny, 5 cloudy, and 1 partly cloudy day in July. The rains are usually moderate. July as well as January, April, May, and June is considered the most uncomfortable time to visit Kuoloyarvi.