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

Tustin California Climate Data

Monthly Average Climate Data for Tustin California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January46.2 °F67.8 °F2.83 in.
February47.1 °F67.7 °F3.31 in.
March49.6 °F69.2 °F1.89 in.
April51.8 °F73.3 °F0.71 in.
May56.2 °F74.9 °F0.3 in.
June59.8 °F78.4 °F0.09 in.
July63.1 °F83.2 °F0.06 in.
August63.8 °F85.3 °F0.01 in.
September62.1 °F84.8 °F0.13 in.
October57.2 °F80.3 °F0.48 in.
November50.3 °F73.0 °F0.82 in.
December45.6 °F67.4 °F2.27 in.
Annual54.4 °F75.4 °F12.9 in.

Climate Data for Tustin California

Average First Frost DateNo Frost
Average Last Frost Date
Average Days With FrostFrost Free
Plant Hardiness ZoneZone 10b : 35°F to 30°F
Plant Hardiness Zone - 2012Zone 10a : 30°F to 25°F
Current Drought ConditionsNormal
Köppen Climate ClassificationBSk - Cold Semi-Arid Climate
2026 plantmaps.com