January in Perito Moreno is the sunniest month of the year. In January, the weather in Perito Moreno is typically warm. Average daily high temperature in January is about 20 degrees above zero. On average, Perito Moreno has 15 sunny, 11 partly cloudy, 4 rainy, and 1 cloudy day in January. The rains are usually light. January as well as February is considered the most comfortable time to visit Perito Moreno.