Harlingen, TX Climate in August

Temperature for August

In Harlingen, TX during August the average high temperature is 94.8°F. The hottest day on record was August 28, 2011 when the temperature hit 106.0°F.

Harlingen, TX daily average and extreme temperature range for August

Low Temperature

During August the overnight temperature drops to an average of 76.3°F, with the lowest temperature of 68.0°F being recorded on August 15, 1999. In August it has never frozen overnight.

Precipitation for August

In August the average monthly rainfall in Harlingen, TX is 0.56 inches with rain usually falling on between 4 and 5 days. 1943 was the driest August with only 0.00 inches of rain falling, and 2008 was the wettest August with 9.52 inches of rain. The wettest single day in August was 16 August 2008 when 5.57 inches of rain fell.

There are thunderstorms on between 2 and 3 days in August.