Weather in Big Bend

Big Bend National Park is a generally dry place with low humidity. The rainy season from June to October includes heavy thunderstorms and some flash flooding. Things dry out quickly in the arid climate. Fall and spring are usually warm and pleasant. Summers are hot, although temperatures vary greatly between the desert floor and the Chisos Mountains; May and June are the hottest months. Winters are generally mild, although periods of cold weather, including light snow, are possible.

The averages are taken from National Park Service data recorded at the Panther Junction area. This area is 5-10° warmer than the Chisos Basin area, and 5-10° cooler than the Rio Grande area. The records are taken from the nearest town to the park, Terlingua, which is just west of the park along TX-118. Terlingua’s weather is close to that of the Rio Grande area, and is 10-20° warmer than the Chisos Basin area.

Current Weather in the Big Bend Region

Averages and Records at Big Bend

Month	Avg High	Avg Low	Record High	Record Low	Avg Precip
January	61	35	87	17	0.56
February	66	38	96	20	0.50
March	77	45	102	19	0.36
April	81	52	109	28	0.64
May	88	59	113	42	1.36
June	94	66	114	60	1.80
July	93	68	112	54	2.43
August	91	66	109	61	2.13
September	86	62	110	47	1.49
October	79	53	104	27	1.50
November	69	42	97	23	0.57
December	62	36	90	10	0.42

All temperatures are reported in Fahrenheit. All precipitation is reported in inches.