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 = 'ideal' and st_surl='south-dakota' and iso_cc = 'US' and prim_loc in (1,2) Ideal South Dakota Climate Data - Updated February 2026

Ideal South Dakota Climate Data

Monthly Average Climate Data for Ideal South Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January11.0 °F31.9 °F0.5 in.
February14.4 °F36.3 °F0.64 in.
March23.4 °F47.6 °F1.06 in.
April33.9 °F59.1 °F2.68 in.
May45.6 °F69.9 °F3.5 in.
June56.5 °F80.4 °F3.86 in.
July62.1 °F88.3 °F2.7 in.
August60.0 °F86.6 °F2.52 in.
September50.7 °F78.3 °F2.15 in.
October37.2 °F63.3 °F1.88 in.
November24.5 °F47.3 °F0.75 in.
December14.8 °F34.9 °F0.59 in.
Annual36.2 °F60.3 °F22.83 in.

Climate Data for Ideal South Dakota

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness ZoneZone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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