January in Kieta is the rainiest, the cloudiest, and the warmest month of the year. In January, the weather in Kieta is typically warm. Average daily high temperature in January is about 27 degrees above zero. On average, Kieta has 30 rainy and 1 cloudy day in January. The rains are usually heavy. January as well as February, March, April, and May is considered the most uncomfortable time to visit Kieta.