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

Hoyleton Illinois Climate Data

Monthly Average Climate Data for Hoyleton Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.6 °F39.0 °F2.76 in.
February25.9 °F44.0 °F2.39 in.
March34.5 °F54.3 °F3.48 in.
April45.0 °F66.4 °F4.79 in.
May55.8 °F75.5 °F5.01 in.
June64.5 °F84.5 °F4.97 in.
July67.7 °F87.5 °F3.99 in.
August65.5 °F86.5 °F3.14 in.
September57.2 °F80.4 °F3.45 in.
October45.9 °F69.1 °F3.25 in.
November35.4 °F54.5 °F3.71 in.
December27.2 °F43.2 °F2.84 in.
Annual45.6 °F65.4 °F43.78 in.

Climate Data for Hoyleton Illinois

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 1 - Apr. 10
Average Days With Frost50-75 Days
Plant Hardiness ZoneZone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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