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

Rochester Iowa Climate Data

Monthly Average Climate Data for Rochester Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.0 °F29.6 °F1.34 in.
February16.7 °F34.1 °F1.58 in.
March27.7 °F47.2 °F2.35 in.
April38.8 °F61.2 °F3.71 in.
May50.8 °F72.1 °F4.73 in.
June60.8 °F81.4 °F5.12 in.
July64.1 °F84.4 °F4.27 in.
August61.6 °F82.7 °F4.19 in.
September53.2 °F76.9 °F3.59 in.
October41.3 °F63.8 °F2.96 in.
November29.5 °F48.4 °F2.22 in.
December19.1 °F35.1 °F1.77 in.
Annual39.7 °F59.7 °F37.83 in.

Climate Data for Rochester Iowa

Average First Frost DateOct. 11 - Oct. 20
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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