April in Mari-Vozzhay is the rainiest month of the year. In April, the weather in Mari-Vozzhay is typically cold. Average daily high temperature in April is about 7 degrees above zero. On average, Mari-Vozzhay has 16 rainy, 8 cloudy, 3 sunny, and 3 partly cloudy days in April. The rains are usually light. April as well as January, February, and October is considered the most uncomfortable time to visit Mari-Vozzhay.