Petrified Forest National Park - Climate

Summer days are generally hot with temperatures in the 90F"s. Summer nights range from 50-60F. Average winter daytime temperatures vary from 40-50F with nighttime lows in the 20F"s. Temperatures can dip below 0F. Annual rainfall is 9-10 inches with 40% occurring as thunderstorms in the late summer. Snow occasionally occurs in the winter. High winds can occur any time of year. Use caution when driving in high winds!