July weather forecast in Mikkeli

July in Mikkeli is the rainiest and the warmest month of the year. In July, the weather in Mikkeli is typically warm. Average daily high temperature in July is about 21 degrees above zero. On average, Mikkeli has 15 rainy, 8 partly cloudy, 5 sunny, and 3 cloudy days in July. The rains are usually heavy.