December weather forecast in Cartago

In December, the weather in Cartago is typically warm. Average daily high temperature in December is about 20 degrees above zero. On average, Cartago has 20 rainy, 5 cloudy, 3 sunny, and 3 partly cloudy days in December. The rains are usually heavy. December as well as April, May, June, and July is considered the most uncomfortable time to visit Cartago.