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 = 'richgrove' and st_surl='california' and iso_cc = 'US' and prim_loc in (1,2) Richgrove California Climate Data - Updated February 2026

Richgrove California Climate Data

Monthly Average Climate Data for Richgrove California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January38.6 °F57.6 °F1.8 in.
February41.0 °F63.2 °F1.72 in.
March44.6 °F69.2 °F1.46 in.
April47.5 °F74.6 °F0.86 in.
May54.0 °F83.0 °F0.34 in.
June60.1 °F91.3 °F0.09 in.
July66.0 °F96.7 °F0.01 in.
August64.8 °F95.8 °F0.01 in.
September60.3 °F90.7 °F0.09 in.
October51.7 °F80.0 °F0.45 in.
November42.7 °F66.8 °F0.84 in.
December37.1 °F57.7 °F1.41 in.
Annual50.7 °F77.2 °F9.08 in.

Climate Data for Richgrove California

Average First Frost DateDec. 1 - Dec. 10
Average Last Frost DateFeb. 11 - Feb. 20
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 ClassificationBSk - Cold Semi-Arid Climate
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