Temperature for May
In Del Rio, TX during May the average high temperature is 89.4°F. The hottest day on record was May 31, 1998 when the temperature hit 109.4°F.
Precipitation for May
In May the average monthly rainfall in Del Rio, TX is 1.99 inches with rain usually falling on between 10 and 11 days. 1944 was the driest May with only 0.00 inches of rain falling, and 2008 was the wettest May with 20.57 inches of rain. The wettest single day in May was 14 May 2008 when 13.21 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.