January in Cuilapa is the windiest and the sunniest month of the year. In January, the weather in Cuilapa is typically warm. Average daily high temperature in January is about 24 degrees above zero. On average, Cuilapa has 19 sunny, 10 partly cloudy, and 2 rainy days in January. The rains are usually light. January as well as February and December is considered the most comfortable time to visit Cuilapa.