• Santa Elena Canyon

    Rio Grande

    Wild & Scenic River Texas

Weather

Weather and River Level Information
Sunshine is abundant year-round on the Rio Grande. While this sounds welcoming, heat exhaustion and heat stroke are dangers to guard against during the hot months. Conversely, hypothermia is a life-threatening danger during the balance of the year. Infrequent and brief periods of cloudy weather are confined mostly to the winter months.

Appropriate clothing and other gear should be carried from November through April as cold fronts can bring freezing weather with rain or snow. The “rainy season” extends from mid-July through early October and can result in locally heavy thunderstorms and flash floods. Rapid river rises can be dangerous if unprepared. Relative humidity is normally between 25%-40% year around.

The statistics shown below are from Rio Grande Village, elevation 1,850 feet above sea level.

 
Month

Temperature Averages °F/°C

Precipitation
(inches/mm)
River depth
(feet/meters)
Maximum Minimum
January 67.7 / 19.8 31.8 / -0.1 0.39 / 9.9 2.53 / 0.77
February 74.0 / 23.3 35.4 / 1.9 0.39 / 9.9 2.58 / 0.79
March 83.2 / 28.4 44.4 / 6.9 0.16 / 4.1 2.93 / 0.89
April 91.1 / 32.8 53.4 / 11.9 0.58 / 14.7 3.06 / 0.93
May 96.8 / 36.0 62.8 / 17.1 1.43 / 36.3 3.54 / 1.08
June 103.1 / 39.5 69.7 / 20.9 1.44 / 36.6 3.39 / 1.03
July 101.6 / 38.7 70.8 / 21.6 1.47 / 37.3 3.15 / 0.96
August 99.4 / 37.4 71.0 / 21.7 1.61 / 40.1 3.87 / 1.18
September 94.9 / 34.9 65.3 / 18.5 1.30 / 33.0 4.16 / 1.27
October 87.2 / 30.7 54.0 / 12.2 1.30 / 33.0 4.31 / 1.31
November 76.8 / 24.9 40.2 / 4.6 0.41 / 10.4 3.01 / 0.92
December 69.9 / 21.1 32.9 / 0.5 0.34 / 8.6 2.65 / 0.81

Did You Know?

Rangers at an illegal wax camp, 1950s

The harvesting and processing of the candellila plant into wax has long been a border industry. In the 1950s, illegal wax camps could be found in Mariscal, Boquillas and the Lower Canyons. Observant floaters can still see remains of these camps along the Rio Grande Wild & Scenic River today. More...