In April, the weather in Zheleznovodsk is typically warm. Average daily high temperature in April is about 12 degrees above zero. On average, Zheleznovodsk has 16 rainy, 7 sunny, 6 partly cloudy, and 1 cloudy day in April. The rains are usually moderate. April as well as March and May is considered the most uncomfortable time to visit Zheleznovodsk.