January in Neiafu is the cloudiest and the warmest month of the year. In January, the weather in Neiafu is typically warm. Average daily high temperature in January is about 27 degrees above zero. On average, Neiafu has 23 rainy, 4 partly cloudy, 2 sunny, and 2 cloudy days in January. The rains are usually heavy. January as well as February, March, April, and November is considered the most uncomfortable time to visit Neiafu.