January in Necochea is the warmest month of the year. In January, the weather in Necochea is typically warm. Average daily high temperature in January is about 26 degrees above zero. On average, Necochea has 26 sunny, 4 partly cloudy, and 1 rainy day in January. The rains are usually light. January as well as February, March, and December is considered the most comfortable time to visit Necochea.