Duncanville, TX (75137) has a humid subtropical climate with hot summers and mild winters. The average temperature in summer is around 90掳F during the day and drops to around 70掳F at night. During the winter months, temperatures typically range from an average low of 40掳F to an average high of 60掳F with occasional dipping below freezing. Precipitation is fairly evenly distributed throughout the year, with occasional storms causing heavier rain in the spring and fall.
Duncanville (zip 75137), Texas gets 40 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Duncanville (zip 75137) averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 232 sunny days per year in Duncanville (zip 75137). The US average is 205 sunny days.
Duncanville (zip 75137) gets some kind of precipitation, on average, 78 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 95 degrees
Winter Low: the January low is 34
Rain: averages 40 inches of rain a year
Snow: averages 0 inches of snow a year