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 = 'platteville' and st_surl='wisconsin' and iso_cc = 'US' and prim_loc in (1,2) Platteville Wisconsin Climate Data - Updated February 2026

Platteville Wisconsin Climate Data

Monthly Average Climate Data for Platteville Wisconsin

Switch Data to Celsius/Metric Units

Month	Avg. Low	Avg. High	Avg. Precip
January	10.3 °F	26.5 °F	1.31 in.
February	13.6 °F	31.1 °F	1.51 in.
March	25.0 °F	43.6 °F	2.0 in.
April	36.1 °F	57.4 °F	3.9 in.
May	47.8 °F	69.2 °F	4.56 in.
June	58.2 °F	78.7 °F	5.94 in.
July	62.0 °F	81.8 °F	4.91 in.
August	59.8 °F	80.2 °F	3.77 in.
September	51.5 °F	73.6 °F	4.13 in.
October	39.6 °F	60.6 °F	2.86 in.
November	28.1 °F	45.1 °F	2.14 in.
December	17.1 °F	32.3 °F	1.7 in.
Annual	37.4 °F	56.7 °F	38.73 in.

Climate Data for Platteville Wisconsin

Average First Frost Date	Oct. 11 - Oct. 20
Average Last Frost Date	Apr. 21 - Apr. 30
Average Days With Frost	100-125 Days
Plant Hardiness Zone	Zone 5a : -20°F to -15°F
Plant Hardiness Zone - 2012	Zone 5a : -20°F to -15°F
Current Drought Conditions	Abnormally Dry
Köppen Climate Classification	Dfa - Humid Continental Hot Summers With Year Around Precipitation

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