In April, the weather in Novosibirsk is typically cold. Average daily high temperature in April is about 8 degrees above zero. On average, Novosibirsk has 14 cloudy, 12 rainy, 3 sunny, and 1 partly cloudy day in April. The rains are usually light. April as well as January, February, October, and December is considered the most uncomfortable time to visit Novosibirsk.