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 = 'north-sioux-city' and st_surl='south-dakota' and iso_cc = 'US' and prim_loc in (1,2) North Sioux City South Dakota Climate Data - Updated February 2026

North Sioux City South Dakota Climate Data

Monthly Average Climate Data for North Sioux City South Dakota

Switch Data to Celsius/Metric Units

Month	Avg. Low	Avg. High	Avg. Precip
January	9.6 °F	29.0 °F	0.61 in.
February	13.9 °F	34.2 °F	0.75 in.
March	25.1 °F	47.2 °F	1.54 in.
April	36.2 °F	60.9 °F	3.12 in.
May	48.8 °F	72.1 °F	4.0 in.
June	59.8 °F	82.3 °F	4.49 in.
July	63.4 °F	85.5 °F	3.25 in.
August	60.9 °F	83.4 °F	3.39 in.
September	51.4 °F	77.1 °F	2.98 in.
October	38.5 °F	63.9 °F	2.38 in.
November	25.5 °F	47.4 °F	1.27 in.
December	15.1 °F	33.8 °F	0.93 in.
Annual	37.4 °F	59.7 °F	28.71 in.

Climate Data for North Sioux City South Dakota

Average First Frost Date	Oct. 1 - Oct. 10
Average Last Frost Date	Apr. 21 - Apr. 30
Average Days With Frost	125-150 Days
Plant Hardiness Zone	Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012	Zone 5a : -20°F to -15°F
Current Drought Conditions	Abnormally Dry
Köppen Climate Classification	Dfa - Humid Continental Hot Summers With Year Around Precipitation

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