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 = 'washington-court-house' and st_surl='ohio' and iso_cc = 'US' and prim_loc in (1,2) Washington Court House Ohio Climate Data - Updated February 2026

Washington Court House Ohio Climate Data

Monthly Average Climate Data for Washington Court House Ohio

Switch Data to Celsius/Metric Units

Month	Avg. Low	Avg. High	Avg. Precip
January	20.9 °F	36.6 °F	2.99 in.
February	22.8 °F	39.9 °F	2.58 in.
March	30.7 °F	50.1 °F	3.77 in.
April	40.9 °F	62.7 °F	4.22 in.
May	52.0 °F	72.8 °F	4.55 in.
June	60.9 °F	80.9 °F	4.28 in.
July	63.6 °F	83.3 °F	4.05 in.
August	61.6 °F	82.6 °F	3.34 in.
September	53.9 °F	77.7 °F	2.72 in.
October	43.0 °F	65.7 °F	2.95 in.
November	32.9 °F	52.0 °F	2.93 in.
December	26.1 °F	40.9 °F	2.97 in.
Annual	42.4 °F	62.1 °F	41.35 in.

Climate Data for Washington Court House Ohio

Average First Frost Date	Oct. 21 - Oct. 31
Average Last Frost Date	Apr. 11 - Apr. 20
Average Days With Frost	75-100 Days
Plant Hardiness Zone	Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012	Zone 6a : -10°F to -5°F
Current Drought Conditions	Normal
Köppen Climate Classification	Dfa - Humid Continental Hot Summers With Year Around Precipitation

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