January in Lochgilphead is the rainiest, the windiest, the cloudiest, and the coldest month of the year. In January, the weather in Lochgilphead is typically cold. Average daily high temperature in January is about 5 degrees above zero. On average, Lochgilphead has 29 rainy and 2 sunny 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 Lochgilphead.