January in La Paz is the rainiest and the cloudiest month of the year. In January, the weather in La Paz is typically warm. Average daily high temperature in January is about 13 degrees above zero. On average, La Paz has 27 rainy, 2 partly cloudy, 1 sunny, and 1 cloudy day in January. The rains are usually heavy. January as well as February, March, April, and October is considered the most uncomfortable time to visit La Paz.