Brownsville, TX Climate

Summary Graph

The summary climate graph for Brownsville, TX shows a selection of temperature, rainfall and snow minimum, mean and maximum measures over the course of a year. Click on each of the measures in the key to toggle them on and off.

Graph of average and extreme temperature ranges by day for Brownsville, TX.


The warmest month in Brownsville South Padre Island International, Brownsville, Texas is August with an average high temperature of 93.5°F. The hottest day on record was March 27 1984 when the temperature hit 106.0°F. During January the overnight temperature drops to an average of 51.5°F with the lowest temperature of 16.0°F being recorded on December 24 1989.

Warmest Days

Warmest Months

Coldest Days

Coldest Months

The warmest days on record are:

27 Mar 1984106°F
6 Sep 2000105.1°F
31 Aug 2012105.1°F
20 Sep 1947104.4°F
30 Jul 2003104°F

The warmest months on average were:

July 198097.9°F
August 201197.2°F
July 200997.2°F
August 200996.9°F
August 200596.9°F

The coldest days on record are:

24 Dec 198916°F
12 Jan 196219.9°F
26 Dec 198319.9°F
1 Feb 195121.9°F
31 Jan 194923°F

The coldest months on average were:

December 198938.7°F
January 198542.6°F
January 197744°F
January 197844.6°F
December 198345°F


The wettest month by average rainfall in Brownsville, TX is September with an average of 3.5 inches of rain falling on 9 to 10 days.Although in January it typically rains on more days with 0.9 inches falling in 9 to 10 days. The driest month by average rainfall in Brownsville, TX is December with an average of 0.7 inches of rain falling on 9 to 10 days. Although in July it typically rains on less days with 1.5 inches falling in 5 to 6 days

Wettest Days

The wettest days on record are:

8 March 197310.6 inches
13 March 20075.4 inches
15 March 20002.6 inches
28 March 19992.5 inches
11 March 19972 inches

Wettest Months

The wettest months on record are:

April 197323.3 inches
September 198419.2 inches
April 197818.8 inches
September 200315.1 inches
July 200813.3 inches

Driest Months

The driest months on record are:

February 19470 inches
March 19470 inches
April 19470 inches
May 19470 inches
June 19470 inches