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 = 'twin-brooks' and st_surl='south-dakota' and iso_cc = 'US' and prim_loc in (1,2) Twin Brooks South Dakota Climate Data - Updated February 2026

Twin Brooks South Dakota Climate Data

Monthly Average Climate Data for Twin Brooks South Dakota

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January3.1 °F21.6 °F0.66 in.
February6.5 °F26.0 °F0.67 in.
March19.0 °F38.3 °F1.19 in.
April31.9 °F54.2 °F2.5 in.
May45.3 °F67.6 °F2.94 in.
June56.3 °F77.6 °F3.88 in.
July60.3 °F82.1 °F3.87 in.
August57.7 °F80.3 °F2.93 in.
September48.5 °F72.6 °F2.41 in.
October35.3 °F57.6 °F2.33 in.
November22.3 °F41.2 °F0.94 in.
December10.0 °F27.2 °F0.77 in.
Annual33 °F53.9 °F25.09 in.

Climate Data for Twin Brooks 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 4b : -25°F to -20°F
Plant Hardiness Zone - 2012Zone 4b : -25°F to -20°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
2026 plantmaps.com