The climate in Lake San Marcos, CA is generally mild and sunny. The area enjoys hot summers that average around 75 degrees Fahrenheit with temperatures occasionally reaching the mid 80s. Winters in Lake San Marcos are usually cool and dry with temperatures ranging from the low 40s to the high 50s. The area receives an average of 12 inches of rainfall per year, most of which falls during the winter months. The area also gets plenty of sunshine throughout the year, averaging 300 days of sunshine annually.
Lake San Marcos, California gets 13 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Lake San Marcos averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 267 sunny days per year in Lake San Marcos. The US average is 205 sunny days.
Lake San Marcos gets some kind of precipitation, on average, 41 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 81 degrees
Winter Low: the January low is 45
Rain: averages 13 inches of rain a year
Snow: averages 0 inches of snow a year