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

Millbrae California Climate Data

Monthly Average Climate Data for Millbrae California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January44.2 °F57.9 °F4.42 in.
February45.6 °F60.4 °F4.48 in.
March47.3 °F62.6 °F3.2 in.
April48.5 °F64.7 °F1.65 in.
May51.5 °F67.0 °F0.62 in.
June53.6 °F70.0 °F0.17 in.
July55.7 °F71.5 °F0.07 in.
August56.2 °F72.3 °F0.05 in.
September55.7 °F74.4 °F0.08 in.
October53.0 °F71.8 °F0.89 in.
November47.8 °F63.7 °F2.05 in.
December43.8 °F58.3 °F4.47 in.
Annual50.2 °F66.2 °F22.15 in.

Climate Data for Millbrae California

Average First Frost DateNo Frost
Average Last Frost Date
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 ClassificationCsb - Warm-Summer Mediterranean Climate
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