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

Sheldon Illinois Climate Data

Monthly Average Climate Data for Sheldon Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.7 °F32.4 °F2.22 in.
February19.6 °F37.1 °F1.93 in.
March29.2 °F48.8 °F2.56 in.
April39.2 °F62.5 °F3.85 in.
May50.8 °F73.4 °F4.29 in.
June60.4 °F82.1 °F5.0 in.
July63.5 °F84.5 °F4.65 in.
August61.1 °F83.1 °F3.55 in.
September53.4 °F78.5 °F3.16 in.
October42.2 °F65.8 °F3.28 in.
November31.7 °F50.1 °F2.67 in.
December22.3 °F37.5 °F2.26 in.
Annual40.8 °F61.3 °F39.42 in.

Climate Data for Sheldon Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
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 ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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