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 = 'rowland-heights' and st_surl='california' and iso_cc = 'US' and prim_loc in (1,2) Rowland Heights California Climate Data - Updated February 2026

Rowland Heights California Climate Data

Monthly Average Climate Data for Rowland Heights California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January45.7 °F68.9 °F3.69 in.
February46.5 °F69.1 °F4.2 in.
March48.5 °F71.6 °F2.52 in.
April50.6 °F75.1 °F0.8 in.
May55.0 °F78.4 °F0.36 in.
June58.6 °F83.8 °F0.12 in.
July62.3 °F90.4 °F0.06 in.
August63.0 °F92.4 °F0.01 in.
September61.4 °F90.0 °F0.16 in.
October56.6 °F83.2 °F0.64 in.
November49.9 °F74.9 °F0.86 in.
December44.9 °F68.2 °F2.68 in.
Annual53.6 °F78.8 °F16.1 in.

Climate Data for Rowland Heights California

Average First Frost DateFrost Rare
Average Last Frost DateFrost Rare
Average Days With FrostFrost Free
Plant Hardiness ZoneZone 10a : 30°F to 25°F
Plant Hardiness Zone - 2012Zone 10a : 30°F to 25°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsa - Hot-Summer Mediterranean Climate
2026 plantmaps.com