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 = 'new-effington' and st_surl='south-dakota' and iso_cc = 'US' and prim_loc in (1,2) New Effington South Dakota Climate Data - Updated February 2026

New Effington South Dakota Climate Data

Monthly Average Climate Data for New Effington South Dakota

Switch Data to Celsius/Metric Units

Month	Avg. Low	Avg. High	Avg. Precip
January	1.9 °F	20.0 °F	0.78 in.
February	5.6 °F	24.4 °F	0.71 in.
March	18.3 °F	37.1 °F	1.13 in.
April	32.0 °F	53.5 °F	2.21 in.
May	45.3 °F	67.6 °F	3.09 in.
June	56.5 °F	77.2 °F	4.25 in.
July	60.5 °F	81.6 °F	3.84 in.
August	57.6 °F	79.9 °F	2.75 in.
September	48.4 °F	72.1 °F	2.7 in.
October	35.3 °F	56.8 °F	2.43 in.
November	21.8 °F	39.8 °F	0.96 in.
December	9.1 °F	25.9 °F	0.83 in.
Annual	32.7 °F	53 °F	25.68 in.

Climate Data for New Effington 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 4b : -25°F to -20°F
Plant Hardiness Zone - 2012	Zone 4a : -30°F to -25°F
Current Drought Conditions	Normal
Köppen Climate Classification	Dfb - Humid Continental Mild Summer, Wet All Year

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