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 = 'winter' and st_surl='wisconsin' and iso_cc = 'US' and prim_loc in (1,2) Winter Wisconsin Climate Data - Updated March 2026

Winter Wisconsin Climate Data

Monthly Average Climate Data for Winter Wisconsin

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January1.4 °F21.3 °F1.08 in.
February3.8 °F26.7 °F1.0 in.
March15.7 °F38.5 °F1.6 in.
April29.1 °F51.9 °F2.76 in.
May41.3 °F65.5 °F3.84 in.
June51.2 °F74.6 °F4.59 in.
July55.7 °F78.5 °F4.36 in.
August53.2 °F76.4 °F3.65 in.
September45.9 °F68.9 °F4.09 in.
October34.3 °F54.7 °F3.48 in.
November22.3 °F38.9 °F1.75 in.
December9.6 °F26.3 °F1.37 in.
Annual30.3 °F51.9 °F33.57 in.

Climate Data for Winter Wisconsin

Average First Frost DateSep.11 - Sep. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost
Plant Hardiness ZoneZone 4a : -30°F to -25°F
Plant Hardiness Zone - 2012Zone 3b : -35°F to -30°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
2026 plantmaps.com