Summers are extremely hot with little, if any, shade. Winters are moderately cold with night time lows often below freezing. Spring weather is highly variable with extended periods of strong winds. Fall is generally mild. Temperatures range from 110°F (43°C) in June & July to O°F (-18°C) in December & January. Although precipitation is generally less than 6 inches (15cm) annually, both heavy rains and flash flooding can occur. Recommend lightweight, light colored clothing in summer, including a hat. Layers of clothing are best other times of year.