January in Tilcara is the rainiest and the cloudiest month of the year. In January, the weather in Tilcara is typically warm. Average daily high temperature in January is about 18 degrees above zero. On average, Tilcara has 22 rainy, 4 sunny, 3 partly cloudy, and 2 cloudy days in January. The rains are usually heavy. January as well as February and December is considered the most uncomfortable time to visit Tilcara.