January in Dalbeattie is the rainiest, the cloudiest, and the coldest month of the year. In January, the weather in Dalbeattie is typically cold. Average daily high temperature in January is about 6 degrees above zero. On average, Dalbeattie has 26 rainy, 3 sunny, and 2 cloudy days in January. The rains are usually heavy. January as well as February, March, April, and May is considered the most uncomfortable time to visit Dalbeattie.