June in Golden is the rainiest month of the year. In June, the weather in Golden is typically warm. Average daily high temperature in June is about 16 degrees above zero. On average, Golden has 18 rainy, 6 sunny, 5 partly cloudy, and 1 cloudy day in June. The rains are usually heavy. June as well as March, April, May, and September is considered the most uncomfortable time to visit Golden.