El Cajon, CA Weather & Climate Normals
What a normal year in El Cajon actually looks like
On the 30-year record NOAA keeps for El Cajon, CA, the comfort score comes out to 86/100, very mild year-round: Many months fall in a comfortable temperature range with limited snow or seasonal extremes. Only 11 months a year land in the 55–75°F range this site treats as mild.
How much El Cajon's weather actually swings
Average temperatures in El Cajon run from 55°F in Dec up to 77°F in Aug, a 21.6°F seasonal swing, a middling gap by national standards.
How wet El Cajon actually gets
Over a typical year, El Cajon sees about 11.63in of precipitation a year across roughly 36 days with measurable rain or snow, with 0in of snow a year.
El Cajon against the rest of the country
Out of 4876 cities scored here, El Cajon comes in at 85; within CA alone it ranks 85 of 429. Population is about 103,291.
Checking the actual forecast
These figures come from EL CAJON, CA US, the NOAA station 1.9 miles from El Cajon, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is