January in Gisborne is the sunniest and the warmest month of the year. In January, the weather in Gisborne is typically warm. Average daily high temperature in January is about 21 degrees above zero. On average, Gisborne has 15 sunny, 12 partly cloudy, and 4 rainy days in January. The rains are usually moderate. January as well as December is considered the most comfortable time to visit Gisborne.