What are the best times to visit Prineville for camping?

The best times to visit Prineville for camping are in the spring and fall shoulder seasons, in May and June and September and October, respectively. During these times, the temperatures are more pleasant with daytime highs in the upper 60s or 70s. Prineville is at its busiest in July and August, when kids are on summer vacation, though this time of year can be a bit hot for some people, with highs in the upper 80s and little to no rainfall.