Temperature for August
In Brownsville, TX during August the average high temperature is 93.5°F. The hottest day on record was August 31, 2012 when the temperature hit 105.1°F.
Precipitation for August
In August the average monthly rainfall in Brownsville, TX is 1.61 inches with rain usually falling on between 6 and 7 days. 1948 was the driest August with only 0.00 inches of rain falling, and 1980 was the wettest August with 10.41 inches of rain. The wettest single day in August was 9 August 1980 when 4.80 inches of rain fell.
There are thunderstorms on between 3 and 4 days in August.