December in Iecava is the windiest month of the year. In December, the weather in Iecava is typically freezing. Average daily high temperature in December is about zero. On average, Iecava has 11 snowy, 10 rainy, 9 cloudy, and 1 sunny day in December. The snowfalls are usually light. December as well as March, October, and November is considered the most uncomfortable time to visit Iecava.