There isn't definitive information about McKinney Colony Park in California, but there is a McKinney Park in the city of Austin, Texas that is a popular destination for locals and visitors alike. The park features several sports fields for soccer, volleyball, and basketball, as well as a playground, picnic areas, and hiking trails. It is also home to the Austin Nature and Science Center, which offers educational exhibits and live animals. In terms of interesting facts, the park was named after a former Austin mayor and is located on land that was once a farming community. The best time to visit likely depends on personal preference and the specific activities you want to enjoy, but spring and fall are generally considered pleasant seasons in Austin.