June in La Serena is the rainiest month of the year. In June, the weather in La Serena is typically warm. Average daily high temperature in June is about 20 degrees above zero. On average, La Serena has 27 sunny, 2 partly cloudy, and 1 rainy day in June. June as well as January, February, March, and April is considered the most comfortable time to visit La Serena.