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 = 'sandyville' and st_surl='iowa' and iso_cc = 'US' and prim_loc in (1,2) Sandyville Iowa Climate Data - Updated February 2026

Sandyville Iowa Climate Data

Monthly Average Climate Data for Sandyville Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.1 °F30.8 °F0.99 in.
February17.0 °F35.4 °F1.35 in.
March27.8 °F48.3 °F2.06 in.
April39.2 °F61.6 °F3.83 in.
May51.2 °F71.6 °F5.23 in.
June61.4 °F81.2 °F5.25 in.
July65.2 °F85.1 °F4.34 in.
August62.7 °F83.4 °F4.17 in.
September53.9 °F76.9 °F3.62 in.
October41.6 °F63.9 °F2.63 in.
November29.5 °F48.8 °F1.82 in.
December19.0 °F36.0 °F1.34 in.
Annual40.1 °F60.3 °F36.63 in.

Climate Data for Sandyville Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost100-125 Days
Plant Hardiness ZoneZone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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