April in Vanadzor is the rainiest and the cloudiest month of the year. In April, the weather in Vanadzor is typically cold. Average daily high temperature in April is about 7 degrees above zero. On average, Vanadzor has 29 rainy and 1 sunny day in April. The rains are usually heavy. April as well as March, May, June, and September is considered the most uncomfortable time to visit Vanadzor.