• Sierra del Carmen

    Big Bend

    National Park Texas

Average Temperature and Rainfall

The table below is based on average temperatures at the Panther Junction park headquarters. Temperatures in the higher mountain areas vary about 5-10 degrees below those shown, while temperatures along the Rio Grande can be 5-10 degrees higher. Sunshine is abundant most of the year. Infrequent and brief periods of cloudy weather may occur during the winter months. While snow is rare and generally light, occasional cold fronts can bring temperatures well below freezing.


Month Average Max. Temp (°F) Average Min. Temp (°F) Monthly Precip. Average (inches) Cumulative Precip. Average (inches)
January 60.9 35.0 .46 .46
February 66.2 37.8 .34 .80
March 77.4 45.3 .31 1.11
April 80.7 52.3 .70 1.81
May 88.0 59.3 1.50 3.31
June 94.2 65.5 1.93 5.24
July 92.9 68.3 2.09 7.33
August 91.1 66.4 2.35 9.68
September 86.4 61.9 2.12 11.80
October 78.8 52.7 2.27 14.07
November 68.5 42.3 .70 14.77
December 62.2 36.4 .57 15.34


Did You Know?

Weathered rocks at the Grapevine Hills

Water erosion created much of the present landscape in Big Bend National Park. The igneous rock exposed in the Grapevine Hills and the Chisos Mountains, lay far underground millions of years ago. Erosion has stripped away the upper layers to reveal today's landscape. More...