High Desert Climate; Elevation at the visitor center is 5,900 feet.
The following reflects a 40 year record of weather at the visitor center.
Temperatures increase and precipitation decreases as elevation drops in the southern reaches of the monument and preserve.
Average High/Low Temperature in degrees Fahrenheit: Jan. 29/10; Feb. 35/16; March 41/21; April 54/28; May 63/37; June 73/47; July 84/51; Aug. 80/45; Sept. 71/41; Oct. 61/31; Nov. 39/22; Dec. 31/12
Monthly Average Precipitation/Snowfall/Snowpack in inches: Jan. 2.6/21/30.2; Feb. 1.7/22.5/34.1; March 1.2/6.8/31; April 1/3.3/14.6; May 1.6/2.6/2.2; June 1.8/0/0; July 0.5/0/0; Aug. 0.8/0/0; Sept. 1/0.4/0; Oct. 0.8/1/0.1; Nov. 1.5/7/5; Dec. 2.0/15/17
