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

Plankinton South Dakota Climate Data

Monthly Average Climate Data for Plankinton South Dakota

Switch Data to Celsius/Metric Units

Month	Avg. Low	Avg. High	Avg. Precip
January	8.3 °F	28.0 °F	0.49 in.
February	12.2 °F	33.2 °F	0.7 in.
March	22.6 °F	45.1 °F	1.1 in.
April	34.0 °F	58.2 °F	2.83 in.
May	46.4 °F	69.7 °F	3.55 in.
June	57.5 °F	80.1 °F	3.75 in.
July	62.2 °F	86.4 °F	2.91 in.
August	60.0 °F	84.4 °F	2.7 in.
September	50.5 °F	76.4 °F	2.48 in.
October	36.7 °F	61.3 °F	1.98 in.
November	23.3 °F	45.3 °F	0.81 in.
December	12.8 °F	31.8 °F	0.61 in.
Annual	35.5 °F	58.3 °F	23.91 in.

Climate Data for Plankinton South Dakota

Average First Frost Date	Oct. 1 - Oct. 10
Average Last Frost Date	May 1 - May 10
Average Days With Frost	125-150 Days
Plant Hardiness Zone	Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012	Zone 4b : -25°F to -20°F
Current Drought Conditions	Abnormally Dry
Köppen Climate Classification	Dfa - Humid Continental Hot Summers With Year Around Precipitation

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