Williamson County, TX has a temperate climate. The summers are generally hot and humid, with average highs in the low to mid-90s and lows in the upper 60s. Winters are mild with average temperatures in the mid-50s during the day and low 30s at night. Rainfall is plentiful throughout the year, with snowfall occurring occasionally in winter months. Spring and autumn months bring moderate temperatures and pleasant weather overall.
Williamson County, Texas gets 35 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Williamson County averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 229 sunny days per year in Williamson County. The US average is 205 sunny days.
Williamson County gets some kind of precipitation, on average, 76 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 37
Rain: averages 35 inches of rain a year
Snow: averages 0 inches of snow a year