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

Rome Iowa Climate Data

Monthly Average Climate Data for Rome Iowa

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.7 °F32.3 °F1.43 in.
February19.5 °F37.0 °F1.72 in.
March29.9 °F49.7 °F2.42 in.
April40.9 °F63.2 °F3.7 in.
May52.5 °F73.4 °F5.17 in.
June62.1 °F82.6 °F5.0 in.
July66.0 °F86.2 °F4.14 in.
August63.7 °F84.7 °F3.9 in.
September55.0 °F78.2 °F3.58 in.
October43.5 °F65.2 °F2.91 in.
November32.0 °F50.1 °F2.22 in.
December21.6 °F37.4 °F1.73 in.
Annual41.9 °F61.7 °F37.92 in.

Climate Data for Rome Iowa

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost100-125 Days
Plant Hardiness ZoneZone 6a : -10°F to -5°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
2026 plantmaps.com