June in Penrith is the coldest month of the year. In June, the weather in Penrith is typically warm. Average daily high temperature in June is about 15 degrees above zero. On average, Penrith has 14 sunny, 10 partly cloudy, and 6 rainy days in June. The rains are usually heavy. June as well as January and February is considered the most uncomfortable time to visit Penrith.