May weather forecast in Kostelec nad Labem

May in Kostelec nad Labem is the rainiest month of the year. In May, the weather in Kostelec nad Labem is typically warm. Average daily high temperature in May is about 19 degrees above zero. On average, Kostelec nad Labem has 13 rainy, 7 sunny, 7 partly cloudy, and 4 cloudy days in May. The rains are usually moderate.