In April, the weather in Staraya Russa is typically cold. Average daily high temperature in April is about 9 degrees above zero. On average, Staraya Russa has 12 rainy, 10 cloudy, 5 sunny, and 3 partly cloudy days in April. The rains are usually light. April as well as March, October, and November is considered the most uncomfortable time to visit Staraya Russa.