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 = 'gibson-city' and st_surl='illinois' and iso_cc = 'US' and prim_loc in (1,2) Gibson City Illinois Climate Data - Updated February 2026

Gibson City Illinois Climate Data

Monthly Average Climate Data for Gibson City Illinois

Switch Data to Celsius/Metric Units

Month	Avg. Low	Avg. High	Avg. Precip
January	16.6 °F	32.8 °F	2.11 in.
February	19.9 °F	37.3 °F	1.82 in.
March	29.1 °F	49.1 °F	2.59 in.
April	39.6 °F	62.4 °F	3.8 in.
May	51.5 °F	73.5 °F	4.58 in.
June	60.7 °F	82.0 °F	4.36 in.
July	63.6 °F	84.6 °F	4.0 in.
August	61.2 °F	83.1 °F	3.66 in.
September	53.6 °F	78.3 °F	3.18 in.
October	41.9 °F	65.4 °F	3.26 in.
November	31.5 °F	50.4 °F	2.78 in.
December	22.2 °F	37.7 °F	2.24 in.
Annual	41 °F	61.4 °F	38.38 in.

Climate Data for Gibson City Illinois

Average First Frost Date	Oct. 11 - Oct. 20
Average Last Frost Date	Apr. 11 - Apr. 20
Average Days With Frost	100-125 Days
Plant Hardiness Zone	Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012	Zone 5b : -15°F to -10°F
Current Drought Conditions	Extreme Drought
Köppen Climate Classification	Dfa - Humid Continental Hot Summers With Year Around Precipitation

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