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

Upland California Climate Data

Monthly Average Climate Data for Upland California

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January44.1 °F66.5 °F3.57 in.
February44.7 °F66.9 °F4.57 in.
March46.6 °F70.1 °F2.77 in.
April48.9 °F73.8 °F0.86 in.
May52.9 °F77.6 °F0.55 in.
June57.0 °F84.1 °F0.12 in.
July61.9 °F90.6 °F0.07 in.
August62.9 °F92.4 °F0.02 in.
September61.1 °F89.5 °F0.13 in.
October55.3 °F81.0 °F0.74 in.
November48.3 °F73.3 °F0.99 in.
December43.8 °F65.5 °F2.53 in.
Annual52.3 °F77.6 °F16.92 in.

Climate Data for Upland California

Average First Frost DateNo Frost
Average Last Frost Date
Average Days With FrostFrost Rare
Plant Hardiness ZoneZone 10a : 30°F to 25°F
Plant Hardiness Zone - 2012Zone 9b : 25°F to 20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCsa - Hot-Summer Mediterranean Climate
2026 plantmaps.com