The climate in 78009 Castroville, TX is generally mild with warm temperatures throughout the year. Summers tend to be quite hot and humid with temperatures reaching an average high of around 97 degrees Fahrenheit for July and August. Winters are milder with temperatures dropping to an average low of around 39 degrees Fahrenheit in January. Precipitation is steady throughout the year, averaging about 25 inches per year, mostly coming from thunderstorms during the summer months.
Castroville (zip 78009), Texas gets 30 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Castroville (zip 78009) averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 224 sunny days per year in Castroville (zip 78009). The US average is 205 sunny days.
Castroville (zip 78009) gets some kind of precipitation, on average, 80 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 41
Rain: averages 30 inches of rain a year
Snow: averages 0 inches of snow a year