Castle Hills, TX has a typical subtropical climate, with hot and humid summers and mild winters. In the summertime, temperatures average around 90 degrees Fahrenheit during the day and drop to an average of 70 degrees at night. In the winter months, temperatures can vary from an average high of 64 degrees to an average low of 42. Precipitation is abundant throughout the year, with most months receiving between 2-4 inches per month on average. There is also an occasional risk of flooding due to heavy rainstorms that can occur in the spring and fall.
Castle Hills, Texas gets 33 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Castle Hills averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 226 sunny days per year in Castle Hills. The US average is 205 sunny days.
Castle Hills gets some kind of precipitation, on average, 84 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 94 degrees
Winter Low: the January low is 41
Rain: averages 33 inches of rain a year
Snow: averages 0 inches of snow a year