Temperature for May
In Palacios, TX during May the average high temperature is 83.8°F. The hottest day on record was May 3, 1984 when the temperature hit 98.1°F.
Precipitation for May
In May the average monthly rainfall in Palacios, TX is 3.09 inches with rain usually falling on between 5 and 6 days. 1950 was the driest May with only 0.00 inches of rain falling, and 1974 was the wettest May with 13.75 inches of rain. The wettest single day in May was 1 May 1974 when 4.72 inches of rain fell.
There are thunderstorms on between 4 and 5 days in May.