December weather forecast in Alameda

December in Alameda is the coldest month of the year. In December, the weather in Alameda is typically warm. Average daily high temperature in December is about 13 degrees above zero. On average, Alameda has 14 sunny, 12 partly cloudy, and 5 rainy days in December. The rains are usually light. December as well as January, February, and March is considered the most uncomfortable time to visit Alameda.