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' and st_surl='indiana' and iso_cc = 'US' and prim_loc in (1,2) Washington Indiana Climate Data - Updated February 2026

Washington Indiana Climate Data

Monthly Average Climate Data for Washington Indiana

Switch Data to Celsius/Metric Units

Month	Avg. Low	Avg. High	Avg. Precip
January	22.7 °F	39.0 °F	3.5 in.
February	25.2 °F	43.6 °F	2.86 in.
March	33.8 °F	54.2 °F	4.04 in.
April	44.0 °F	66.6 °F	4.98 in.
May	55.0 °F	75.9 °F	5.55 in.
June	63.5 °F	84.1 °F	4.77 in.
July	66.3 °F	87.0 °F	4.15 in.
August	64.2 °F	86.0 °F	3.19 in.
September	56.5 °F	80.7 °F	3.78 in.
October	45.2 °F	69.1 °F	3.5 in.
November	35.0 °F	54.8 °F	4.04 in.
December	27.1 °F	43.4 °F	3.64 in.
Annual	44.9 °F	65.4 °F	48 in.

Climate Data for Washington Indiana

Average First Frost Date	Oct. 21 - Oct. 31
Average Last Frost Date	Apr. 11 - Apr. 20
Average Days With Frost	50-75 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	Abnormally Dry
Köppen Climate Classification	Dfa - Humid Continental Hot Summers With Year Around Precipitation

2026 plantmaps.com