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 = 'hebron' and st_surl='illinois' and iso_cc = 'US' and prim_loc in (1,2) Hebron Illinois Climate Data - Updated February 2026

Hebron Illinois Climate Data

Monthly Average Climate Data for Hebron Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.3 °F29.0 °F1.77 in.
February16.0 °F32.9 °F1.83 in.
March25.4 °F44.6 °F2.19 in.
April35.8 °F57.3 °F3.76 in.
May47.6 °F69.0 °F4.43 in.
June57.0 °F78.6 °F5.04 in.
July61.3 °F82.3 °F3.76 in.
August59.5 °F80.8 °F3.9 in.
September51.8 °F74.3 °F3.59 in.
October40.4 °F61.1 °F2.99 in.
November29.7 °F46.7 °F2.41 in.
December19.2 °F34.0 °F2.01 in.
Annual38.1 °F57.6 °F37.68 in.

Climate Data for Hebron Illinois

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 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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