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 = 'graniteville' and st_surl='south-carolina' and iso_cc = 'US' and prim_loc in (1,2) Graniteville South Carolina Climate Data - Updated February 2026

Graniteville South Carolina Climate Data

Monthly Average Climate Data for Graniteville South Carolina

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January34.4 °F57.5 °F4.24 in.
February36.7 °F61.2 °F3.82 in.
March43.0 °F68.9 °F4.34 in.
April50.4 °F77.0 °F3.25 in.
May59.1 °F84.2 °F3.25 in.
June67.0 °F89.8 °F5.1 in.
July69.0 °F92.8 °F4.6 in.
August68.8 °F91.3 °F4.93 in.
September63.0 °F86.7 °F3.84 in.
October52.9 °F77.1 °F3.11 in.
November39.9 °F67.0 °F3.21 in.
December34.6 °F59.2 °F4.19 in.
Annual51.6 °F76.1 °F47.88 in.

Climate Data for Graniteville South Carolina

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateMar. 21 - Mar. 31
Average Days With Frost40-50 Days
Plant Hardiness ZoneZone 8b : 15°F to 20°F
Plant Hardiness Zone - 2012Zone 8a : 10°F to 15°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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