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 = 'east-porterville' and st_surl='california' and iso_cc = 'US' and prim_loc in (1,2) East Porterville California Climate Data - Updated February 2026

East Porterville California Climate Data

Monthly Average Climate Data for East Porterville California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January38.3 °F57.7 °F2.29 in.
February40.7 °F63.1 °F1.91 in.
March44.1 °F69.1 °F1.98 in.
April47.2 °F75.2 °F1.15 in.
May53.6 °F84.0 °F0.46 in.
June59.6 °F92.6 °F0.13 in.
July65.5 °F97.9 °F0.06 in.
August64.1 °F97.1 °F0.07 in.
September59.6 °F92.3 °F0.08 in.
October51.2 °F81.0 °F0.52 in.
November42.4 °F67.1 °F0.98 in.
December37.1 °F57.7 °F1.93 in.
Annual50.3 °F77.9 °F11.56 in.

Climate Data for East Porterville California

Average First Frost DateNov. 21 - Nov. 30
Average Last Frost DateFeb. 21 - Feb. 29
Average Days With Frost10-20 Days
Plant Hardiness ZoneZone 9b : 25°F to 20°F
Plant Hardiness Zone - 2012Zone 9b : 25°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationBSh - Hot Semi-Arid Climate
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