December in Inverell is the rainiest and the cloudiest month of the year. In December, the weather in Inverell is typically warm. Average daily high temperature in December is about 26 degrees above zero. On average, Inverell has 11 sunny, 11 partly cloudy, and 9 rainy days in December. The rains are usually heavy. December as well as January, June, and July is considered the most uncomfortable time to visit Inverell.