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

Sperry Iowa Climate Data

Monthly Average Climate Data for Sperry Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.4 °F31.7 °F1.53 in.
February19.1 °F36.6 °F1.79 in.
March29.3 °F49.4 °F2.49 in.
April40.2 °F62.1 °F3.78 in.
May52.0 °F72.7 °F5.03 in.
June61.6 °F82.0 °F4.78 in.
July65.2 °F85.2 °F4.04 in.
August63.0 °F83.6 °F3.82 in.
September54.6 °F77.6 °F3.64 in.
October42.9 °F64.8 °F2.91 in.
November31.1 °F49.5 °F2.41 in.
December21.3 °F37.1 °F1.85 in.
Annual41.3 °F61 °F38.07 in.

Climate Data for Sperry Iowa

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost75-100 Days
Plant Hardiness ZoneZone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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