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

Sioux Falls South Dakota Climate Data

Monthly Average Climate Data for Sioux Falls South Dakota

Switch Data to Celsius/Metric Units

Month	Avg. Low	Avg. High	Avg. Precip
January	6.5 °F	25.0 °F	0.71 in.
February	10.8 °F	29.8 °F	0.83 in.
March	22.3 °F	42.4 °F	1.6 in.
April	34.0 °F	56.7 °F	2.95 in.
May	46.9 °F	68.9 °F	3.68 in.
June	58.2 °F	79.2 °F	4.56 in.
July	62.0 °F	83.6 °F	3.29 in.
August	59.3 °F	81.1 °F	3.29 in.
September	50.2 °F	74.1 °F	2.85 in.
October	36.8 °F	60.1 °F	2.33 in.
November	23.3 °F	43.5 °F	1.21 in.
December	12.1 °F	29.6 °F	0.87 in.
Annual	35.2 °F	56.2 °F	28.17 in.

Climate Data for Sioux Falls 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	Moderate Drought
Köppen Climate Classification	Dfa - Humid Continental Hot Summers With Year Around Precipitation

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