Harlingen, TX Climate in April

Temperature for April

In Harlingen, TX during April the average high temperature is 85.0°F. The hottest day on record was April 26, 1984 when the temperature hit 102.9°F.

Harlingen, TX daily average and extreme temperature range for April

Low Temperature

During April the overnight temperature drops to an average of 66.6°F, with the lowest temperature of 41.0°F being recorded on April 8, 2007. In April it has never frozen overnight.

Precipitation for April

In April the average monthly rainfall in Harlingen, TX is 0.23 inches with rain usually falling on between 4 and 5 days. 1943 was the driest April with only 0.00 inches of rain falling, and 2010 was the wettest April with 4.06 inches of rain. The wettest single day in April was 17 April 2010 when 2.76 inches of rain fell.

There are thunderstorms on between 1 and 2 days in April.