select pnm,lnm,st_cd,st_nm,cnty_id,dm,dm_date,dm_hist,avg_tmax_data,avg_tmin_data,avg_prcp_data,rec_hi_data,rec_lo_data,avg_sndp_data,x,y,ff,lf,fd,hz,er,hz_source,kg,hzd,clim_stn_nm,hz12,hz90, feels_like_min,feels_like_max,days_of_prcp,snow,cloud_cover,humidity,wind_speed from worldtg8_pm.pm_climate_points_namer where surl = 'el-cajon' and st_surl='california' and iso_cc = 'US' and prim_loc in (1,2) El Cajon California Climate Data - Updated February 2026

El Cajon California Climate Data

Monthly Average Climate Data for El Cajon California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January44.5 °F68.0 °F2.43 in.
February45.6 °F68.3 °F2.95 in.
March48.4 °F69.2 °F2.0 in.
April50.8 °F73.3 °F0.86 in.
May55.3 °F75.4 °F0.36 in.
June58.7 °F80.0 °F0.06 in.
July62.5 °F85.1 °F0.09 in.
August63.8 °F87.1 °F0.03 in.
September62.0 °F85.9 °F0.14 in.
October56.3 °F80.7 °F0.52 in.
November49.1 °F73.3 °F1.04 in.
December44.0 °F67.5 °F2.07 in.
Annual53.4 °F76.2 °F12.55 in.

Climate Data for El Cajon California

Average First Frost DateDec. 21 - Dec. 31
Average Last Frost DateFrost Rare
Average Days With FrostFrost Rare
Plant Hardiness ZoneZone 10a : 30°F to 25°F
Plant Hardiness Zone - 2012Zone 10a : 30°F to 25°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsb - Warm-Summer Mediterranean Climate
2026 plantmaps.com