Houston, TX Climate in May

Temperature for May

In Houston, TX during May the average high temperature is 84.7°F. The hottest day on record was May 31, 1998 when the temperature hit 100.4°F.

Houston, TX daily average and extreme temperature range for May

Low Temperature

During May the overnight temperature drops to an average of 68.1°F, with the lowest temperature of 46.4°F being recorded on May 4, 1954. In May it has never frozen overnight.

Precipitation for May

In May the average monthly rainfall in Houston, TX is 1.91 inches with rain usually falling on between 8 and 9 days. 2012 was the driest May with only 0.00 inches of rain falling, and 1975 was the wettest May with 10.57 inches of rain. The wettest single day in May was 4 May 1981 when 4.06 inches of rain fell.

In May it usually snows on between 0 and 1 days. There are thunderstorms on between 5 and 6 days in May.