In April, the weather in Nikolaevsk-na-Amure is typically freezing. Average daily high temperature in April is about zero. On average, Nikolaevsk-na-Amure has 13 snowy, 9 rainy, 6 cloudy, and 2 sunny days in April. The snowfalls are usually moderate. April as well as January, February, May, and September is considered the most uncomfortable time to visit Nikolaevsk-na-Amure.