Santa Susana, CA has a mild climate year-round. Summers are warm and dry with temperatures typically in the low to mid 80s. Winters are wet and cool, with temperatures rarely dropping below 40 degrees Fahrenheit. The area receives very little snow, but occasional rainstorms can bring brief periods of colder weather. Santa Susana is known for its hot and dry conditions during the summer months, so it's important to stay hydrated and wear plenty of sunscreen when out in the sun.
Santa Susana, California gets 17 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Santa Susana averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 273 sunny days per year in Santa Susana. The US average is 205 sunny days.
Santa Susana gets some kind of precipitation, on average, 35 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 93 degrees
Winter Low: the January low is 42
Rain: averages 17 inches of rain a year
Snow: averages 0 inches of snow a year