Editing El Cajon, California (section)

==Geography==
According to the [[United States Census Bureau]], the city has a total area of {{convert|14.4|sqmi|km2}}, all land. It is bordered by San Diego and [[La Mesa, California|La Mesa]] on the west, [[Spring Valley, San Diego County, California|Spring Valley]] on the south, [[Santee, California|Santee]] on the north, and unincorporated San Diego County on the east. It includes the neighborhoods of [[Fletcher Hills]], [[Bostonia, California|Bostonia]], and [[Rancho San Diego, California|Rancho San Diego]].

===Climate===
Under the Köppen climate classification, El Cajon straddles areas of Mediterranean climate (''Csa'') and semiarid climate (''BSh''). As a result, it is often described as "arid Mediterranean" and "semiarid steppe". Like most inland areas in Southern California, the climate varies dramatically within a short distance, known as [[microclimate]]. El Cajon's climate has greater extremes compared to coastal San Diego. The farther east from the coast, the more arid the climate gets, until one reaches the mountains, where precipitation increases due to [[orographic uplift]].{{citation needed|date=May 2019}}

Temperature variations between night and day tend to be moderate with an average difference of {{convert|24|F-change}} during the summer, and an average difference of {{convert|26|F-change}} during the winter.

The annual average precipitation at El Cajon is {{convert|11.63|in|mm|1}}. Rainfall is fairly evenly distributed throughout the winter, but rare in summer. The wettest month of the year is February with an average rainfall of {{convert|2.61|in}}.

The record high temperature was {{convert|114|F|C}} on September 5, 2020. The record low temperature was {{convert|19|F|C}} on January 8, 1913. The wettest year was 1941 with {{convert|28.14|in}} and the driest year was 1989 with {{convert|1.51|in}}. The most rainfall in one month was {{convert|11.43|in}} in January 1993. The most rainfall in 24 hours was {{convert|5.60|in}} on January 27, 1916. A rare snowfall in November 1992 totaled {{convert|0.3|in}}.<ref>[http://www.wrcc.dri.edu/cgi-bin/cliMAIN.pl?ca2706 El Cajon Monthly Climate Summary]; [http://www.wrcc.dri.edu/cgi-bin/cliMAIN.pl?ca2705 El Cajon Yale Ranch Monthly Climate Summary]. Western Regional Climate Center. |access-date = February 26, 2013</ref> {{convert|3|in|cm|spell=In}} of snow covered the ground in January 1882.

{{Weather box
|location    = El Cajon, California (1991–2020 normals, extremes 1979–present)
|single line = Y
|Jan record high F =  93
|Feb record high F =  95
|Mar record high F =  98
|Apr record high F = 104
|May record high F = 104
|Jun record high F = 107
|Jul record high F = 113
|Aug record high F = 107
|Sep record high F = 114
|Oct record high F = 106
|Nov record high F =  99
|Dec record high F =  93
|Jan avg record high F = 83.8
|Feb avg record high F = 84.3
|Mar avg record high F = 86.8
|Apr avg record high F = 91.1
|May avg record high F = 92.0
|Jun avg record high F = 94.0
|Jul avg record high F = 98.7
|Aug avg record high F = 100.4
|Sep avg record high F = 102.5
|Oct avg record high F = 97.7
|Nov avg record high F = 90.9
|Dec avg record high F = 82.0
|year avg record high F = 104.8
|Jan high F = 69.3
|Feb high F = 69.2
|Mar high F = 71.3
|Apr high F = 74.5
|May high F = 76.2
|Jun high F = 80.8
|Jul high F = 86.1
|Aug high F = 88.6
|Sep high F = 87.3
|Oct high F = 81.0
|Nov high F = 75.2
|Dec high F = 68.5
|year high F = 77.3
|Jan mean F = 55.9
|Feb mean F = 56.8
|Mar mean F = 59.7
|Apr mean F = 62.6
|May mean F = 66.1
|Jun mean F = 70.1
|Jul mean F = 74.7
|Aug mean F = 76.6
|Sep mean F = 74.7
|Oct mean F = 68.3
|Nov mean F = 61.2
|Dec mean F = 55.1
|year mean F = 65.1
|Jan low F = 42.5
|Feb low F = 44.4
|Mar low F = 48.0
|Apr low F = 50.7
|May low F = 55.9
|Jun low F = 59.4
|Jul low F = 63.3
|Aug low F = 64.7
|Sep low F = 62.1
|Oct low F = 55.6
|Nov low F = 47.1
|Dec low F = 41.7
|year low F = 53.0
|Jan avg record low F = 33.1
|Feb avg record low F = 36.0
|Mar avg record low F = 39.3
|Apr avg record low F = 43.0
|May avg record low F = 48.8
|Jun avg record low F = 53.4
|Jul avg record low F = 57.5
|Aug avg record low F = 58.8
|Sep avg record low F = 54.2
|Oct avg record low F = 45.5
|Nov avg record low F = 37.2
|Dec avg record low F = 32.3
|year avg record low F = 31.2
|Jan record low F = 26
|Feb record low F = 28
|Mar record low F = 30
|Apr record low F = 36
|May record low F = 43
|Jun record low F = 46
|Jul record low F = 50
|Aug record low F = 50
|Sep record low F = 49
|Oct record low F = 35
|Nov record low F = 29
|Dec record low F = 25
|precipitation colour = green
|Jan precipitation inch = 2.32
|Feb precipitation inch = 2.61
|Mar precipitation inch = 1.92
|Apr precipitation inch = 0.75
|May precipitation inch = 0.30
|Jun precipitation inch = 0.06
|Jul precipitation inch = 0.16
|Aug precipitation inch = 0.02
|Sep precipitation inch = 0.11
|Oct precipitation inch = 0.54
|Nov precipitation inch = 1.01
|Dec precipitation inch = 1.83
|year precipitation inch = 11.63
|unit precipitation days = 0.01 in
|Jan precipitation days = 5.6
|Feb precipitation days = 7.0
|Mar precipitation days = 5.1
|Apr precipitation days = 3.5
|May precipitation days = 2.2
|Jun precipitation days = 0.6
|Jul precipitation days = 0.6
|Aug precipitation days = 0.4
|Sep precipitation days = 0.6
|Oct precipitation days = 1.7
|Nov precipitation days = 3.4
|Dec precipitation days = 5.5
|year precipitation days = 
|source 1 = NOAA<ref name= "NOAA">{{cite web |url=https://w2.weather.gov/climate/xmacis.php?wfo=sgx |title=NOWData – NOAA Online Weather Data |publisher=[[National Oceanic and Atmospheric Administration]] |access-date=December 2, 2012}}</ref><ref>
{{cite web
|url = https://www.ncei.noaa.gov/access/services/data/v1?dataset=normals-monthly-1991-2020&stations=USC00042706&format=pdf&dataTypes=MLY-TMAX-NORMAL,MLY-TMIN-NORMAL,MLY-TAVG-NORMAL,MLY-PRCP-NORMAL,MLY-SNOW-NORMAL
|publisher = National Oceanic and Atmospheric Administration
|title = U.S. Climate Normals Quick Access – Station: El Cajon, CA
|access-date = May 24, 2023
}}
</ref>
}}