El Cajon, CA is located in the San Diego County and enjoys a mild Mediterranean climate with warm, dry summers and cool, wet winters. Temperatures in 92021 El Cajon can range from an average low of 48°F in winter to an average high of 81°F in summer. The area generally receives 16 inches of rain annually, mostly concentrated during the winter months. El Cajon typically has more than 260 sunny days each year providing plenty of opportunities for outdoor activities all year round.
El Cajon (zip 92021), California gets 15 inches of rain, on average, per year. The US average is 38 inches of rain per year.
El Cajon (zip 92021) averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 263 sunny days per year in El Cajon (zip 92021). The US average is 205 sunny days.
El Cajon (zip 92021) gets some kind of precipitation, on average, 43 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 89 degrees
Winter Low: the January low is 43
Rain: averages 15 inches of rain a year
Snow: averages 0 inches of snow a year