December weather forecast in Christchurch

December in Christchurch is the windiest and the cloudiest month of the year. In December, the weather in Christchurch is typically warm. Average daily high temperature in December is about 21 degrees above zero. On average, Christchurch has 10 rainy, 10 partly cloudy, 6 sunny, and 5 cloudy days in December. The rains are usually moderate.